From 255c35f8fe6a9c345320e512c681c03678f3e0b4 Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Fri, 8 Jul 2016 17:40:56 +0800 Subject: drm/imx: atomic phase 2 step 1: Wire up state ->reset, ->duplicate and ->destroy Wire up CRTCs', planes' and connectors' ->reset, ->duplicate and ->destroy state hooks to use the default implementations from the atomic helper library. The helpers track each DRM object state. Signed-off-by: Liu Ying Acked-by: Daniel Vetter Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/imx-ldb.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index beff793bb717..12bf368ae6df 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -362,6 +363,9 @@ static const struct drm_connector_funcs imx_ldb_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, .detect = imx_ldb_connector_detect, .destroy = imx_drm_connector_destroy, + .reset = drm_atomic_helper_connector_reset, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static const struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = { -- cgit v1.2.3 From 032003c5cd744e8e0baf5430fc5b3fd5462208e4 Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Fri, 8 Jul 2016 17:40:58 +0800 Subject: drm/imx: Remove encoders' ->prepare callbacks The main task of imx encoders' ->prepare callbacks is to set bus_format, bus_flags, di_vsync_pin and di_hsync_pin. We may create a structure named imx_encoder to cache them. The atomic encoder callback ->disable may replace ->prepare later, so let's remove ->prepare. Signed-off-by: Liu Ying Acked-by: Daniel Vetter Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/dw_hdmi-imx.c | 18 ++--- drivers/gpu/drm/imx/imx-drm-core.c | 39 ----------- drivers/gpu/drm/imx/imx-drm.h | 18 ++--- drivers/gpu/drm/imx/imx-ldb.c | 118 +++++++++++++++++---------------- drivers/gpu/drm/imx/imx-tve.c | 58 ++++++---------- drivers/gpu/drm/imx/ipuv3-crtc.c | 38 ++++------- drivers/gpu/drm/imx/parallel-display.c | 56 ++++++++-------- 7 files changed, 142 insertions(+), 203 deletions(-) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c index a24631fdf4ad..5f646748960a 100644 --- a/drivers/gpu/drm/imx/dw_hdmi-imx.c +++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c @@ -22,9 +22,11 @@ #include "imx-drm.h" +#define imx_enc_to_imx_hdmi(x) container_of(x, struct imx_hdmi, imx_encoder) + struct imx_hdmi { struct device *dev; - struct drm_encoder encoder; + struct imx_drm_encoder imx_encoder; struct regmap *regmap; }; @@ -117,7 +119,8 @@ static void dw_hdmi_imx_encoder_mode_set(struct drm_encoder *encoder, static void dw_hdmi_imx_encoder_commit(struct drm_encoder *encoder) { - struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_hdmi *hdmi = imx_enc_to_imx_hdmi(imx_encoder); int mux = drm_of_encoder_active_port_id(hdmi->dev->of_node, encoder); regmap_update_bits(hdmi->regmap, IOMUXC_GPR3, @@ -125,14 +128,8 @@ static void dw_hdmi_imx_encoder_commit(struct drm_encoder *encoder) mux << IMX6Q_GPR3_HDMI_MUX_CTL_SHIFT); } -static void dw_hdmi_imx_encoder_prepare(struct drm_encoder *encoder) -{ - imx_drm_set_bus_format(encoder, MEDIA_BUS_FMT_RGB888_1X24); -} - static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = { .mode_set = dw_hdmi_imx_encoder_mode_set, - .prepare = dw_hdmi_imx_encoder_prepare, .commit = dw_hdmi_imx_encoder_commit, .disable = dw_hdmi_imx_encoder_disable, }; @@ -215,7 +212,10 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, match = of_match_node(dw_hdmi_imx_dt_ids, pdev->dev.of_node); plat_data = match->data; hdmi->dev = &pdev->dev; - encoder = &hdmi->encoder; + encoder = &hdmi->imx_encoder.encoder; + hdmi->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24; + hdmi->imx_encoder.di_hsync_pin = 2; + hdmi->imx_encoder.di_vsync_pin = 3; irq = platform_get_irq(pdev, 0); if (irq < 0) diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index b5a5173b05af..f6e44c220874 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -85,45 +85,6 @@ static int imx_drm_driver_unload(struct drm_device *drm) return 0; } -static struct imx_drm_crtc *imx_drm_find_crtc(struct drm_crtc *crtc) -{ - struct imx_drm_device *imxdrm = crtc->dev->dev_private; - unsigned i; - - for (i = 0; i < MAX_CRTC; i++) - if (imxdrm->crtc[i] && imxdrm->crtc[i]->crtc == crtc) - return imxdrm->crtc[i]; - - return NULL; -} - -int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format, - int hsync_pin, int vsync_pin, u32 bus_flags) -{ - struct imx_drm_crtc_helper_funcs *helper; - struct imx_drm_crtc *imx_crtc; - - imx_crtc = imx_drm_find_crtc(encoder->crtc); - if (!imx_crtc) - return -EINVAL; - - helper = &imx_crtc->imx_drm_helper_funcs; - if (helper->set_interface_pix_fmt) - return helper->set_interface_pix_fmt(encoder->crtc, - bus_format, hsync_pin, vsync_pin, - bus_flags); - return 0; -} -EXPORT_SYMBOL_GPL(imx_drm_set_bus_config); - -int imx_drm_set_bus_format(struct drm_encoder *encoder, u32 bus_format) -{ - return imx_drm_set_bus_config(encoder, bus_format, 2, 3, - DRM_BUS_FLAG_DE_HIGH | - DRM_BUS_FLAG_PIXDATA_NEGEDGE); -} -EXPORT_SYMBOL_GPL(imx_drm_set_bus_format); - int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc) { return drm_crtc_vblank_get(imx_drm_crtc->crtc); diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h index 74320a1723b7..39cef15c699b 100644 --- a/drivers/gpu/drm/imx/imx-drm.h +++ b/drivers/gpu/drm/imx/imx-drm.h @@ -15,12 +15,19 @@ struct platform_device; unsigned int imx_drm_crtc_id(struct imx_drm_crtc *crtc); +struct imx_drm_encoder { + struct drm_encoder encoder; + u32 bus_format; + u32 bus_flags; + int di_hsync_pin; + int di_vsync_pin; +}; + +#define enc_to_imx_enc(x) container_of(x, struct imx_drm_encoder, encoder) + struct imx_drm_crtc_helper_funcs { int (*enable_vblank)(struct drm_crtc *crtc); void (*disable_vblank)(struct drm_crtc *crtc); - int (*set_interface_pix_fmt)(struct drm_crtc *crtc, - u32 bus_format, int hsync_pin, int vsync_pin, - u32 bus_flags); const struct drm_crtc_helper_funcs *crtc_helper_funcs; const struct drm_crtc_funcs *crtc_funcs; }; @@ -42,11 +49,6 @@ void imx_drm_mode_config_init(struct drm_device *drm); struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb); -int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format, - int hsync_pin, int vsync_pin, u32 bus_flags); -int imx_drm_set_bus_format(struct drm_encoder *encoder, - u32 bus_format); - int imx_drm_encoder_parse_of(struct drm_device *drm, struct drm_encoder *encoder, struct device_node *np); diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 12bf368ae6df..6e110bba35cb 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -51,14 +51,15 @@ #define LDB_BGREF_RMODE_INT (1 << 15) #define con_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, connector) -#define enc_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, encoder) +#define imx_enc_to_imx_ldb_ch(x) \ + container_of(x, struct imx_ldb_channel, imx_encoder) struct imx_ldb; struct imx_ldb_channel { struct imx_ldb *ldb; struct drm_connector connector; - struct drm_encoder encoder; + struct imx_drm_encoder imx_encoder; struct drm_panel *panel; struct device_node *child; struct i2c_adapter *ddc; @@ -67,7 +68,6 @@ struct imx_ldb_channel { int edid_len; struct drm_display_mode mode; int mode_valid; - int bus_format; }; struct bus_mux { @@ -94,6 +94,35 @@ static enum drm_connector_status imx_ldb_connector_detect( return connector_status_connected; } +static void imx_ldb_bus_format_translation(struct imx_ldb_channel *imx_ldb_ch, + u32 bus_format) +{ + struct imx_ldb *ldb = imx_ldb_ch->ldb; + int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; + + switch (bus_format) { + case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: + imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB666_1X18; + break; + case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: + imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24; + if (imx_ldb_ch->chno == 0 || dual) + ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24; + if (imx_ldb_ch->chno == 1 || dual) + ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24; + break; + case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: + imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24; + if (imx_ldb_ch->chno == 0 || dual) + ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24 | + LDB_BIT_MAP_CH0_JEIDA; + if (imx_ldb_ch->chno == 1 || dual) + ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24 | + LDB_BIT_MAP_CH1_JEIDA; + break; + } +} + static int imx_ldb_connector_get_modes(struct drm_connector *connector) { struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); @@ -104,8 +133,9 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector) struct drm_display_info *di = &connector->display_info; num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel); - if (!imx_ldb_ch->bus_format && di->num_bus_formats) - imx_ldb_ch->bus_format = di->bus_formats[0]; + if (!imx_ldb_ch->imx_encoder.bus_format && di->num_bus_formats) + imx_ldb_bus_format_translation(imx_ldb_ch, + di->bus_formats[0]); if (num_modes > 0) return num_modes; } @@ -139,7 +169,7 @@ static struct drm_encoder *imx_ldb_connector_best_encoder( { struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); - return &imx_ldb_ch->encoder; + return &imx_ldb_ch->imx_encoder.encoder; } static void imx_ldb_encoder_dpms(struct drm_encoder *encoder, int mode) @@ -174,45 +204,10 @@ static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno, chno); } -static void imx_ldb_encoder_prepare(struct drm_encoder *encoder) -{ - struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); - struct imx_ldb *ldb = imx_ldb_ch->ldb; - int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; - u32 bus_format; - - switch (imx_ldb_ch->bus_format) { - default: - dev_warn(ldb->dev, - "could not determine data mapping, default to 18-bit \"spwg\"\n"); - /* fallthrough */ - case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: - bus_format = MEDIA_BUS_FMT_RGB666_1X18; - break; - case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: - bus_format = MEDIA_BUS_FMT_RGB888_1X24; - if (imx_ldb_ch->chno == 0 || dual) - ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24; - if (imx_ldb_ch->chno == 1 || dual) - ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24; - break; - case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: - bus_format = MEDIA_BUS_FMT_RGB888_1X24; - if (imx_ldb_ch->chno == 0 || dual) - ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24 | - LDB_BIT_MAP_CH0_JEIDA; - if (imx_ldb_ch->chno == 1 || dual) - ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24 | - LDB_BIT_MAP_CH1_JEIDA; - break; - } - - imx_drm_set_bus_format(encoder, bus_format); -} - static void imx_ldb_encoder_commit(struct drm_encoder *encoder) { - struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder); @@ -260,7 +255,8 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *orig_mode, struct drm_display_mode *mode) { - struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; unsigned long serial_clk; @@ -303,7 +299,8 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, static void imx_ldb_encoder_disable(struct drm_encoder *encoder) { - struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; int mux, ret; @@ -379,7 +376,6 @@ static const struct drm_encoder_funcs imx_ldb_encoder_funcs = { static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = { .dpms = imx_ldb_encoder_dpms, - .prepare = imx_ldb_encoder_prepare, .commit = imx_ldb_encoder_commit, .mode_set = imx_ldb_encoder_mode_set, .disable = imx_ldb_encoder_disable, @@ -406,7 +402,7 @@ static int imx_ldb_register(struct drm_device *drm, struct imx_ldb *ldb = imx_ldb_ch->ldb; int ret; - ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->encoder, + ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->imx_encoder.encoder, imx_ldb_ch->child); if (ret) return ret; @@ -421,10 +417,10 @@ static int imx_ldb_register(struct drm_device *drm, return ret; } - drm_encoder_helper_add(&imx_ldb_ch->encoder, + drm_encoder_helper_add(&imx_ldb_ch->imx_encoder.encoder, &imx_ldb_encoder_helper_funcs); - drm_encoder_init(drm, &imx_ldb_ch->encoder, &imx_ldb_encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + drm_encoder_init(drm, &imx_ldb_ch->imx_encoder.encoder, + &imx_ldb_encoder_funcs, DRM_MODE_ENCODER_LVDS, NULL); drm_connector_helper_add(&imx_ldb_ch->connector, &imx_ldb_connector_helper_funcs); @@ -435,7 +431,7 @@ static int imx_ldb_register(struct drm_device *drm, drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector); drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, - &imx_ldb_ch->encoder); + &imx_ldb_ch->imx_encoder.encoder); return 0; } @@ -564,6 +560,7 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) struct imx_ldb_channel *channel; struct device_node *ddc_node; struct device_node *ep; + int bus_format; ret = of_property_read_u32(child, "reg", &i); if (ret || i < 0 || i > 1) @@ -636,21 +633,25 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) } } - channel->bus_format = of_get_bus_format(dev, child); - if (channel->bus_format == -EINVAL) { + bus_format = of_get_bus_format(dev, child); + if (bus_format == -EINVAL) { /* * If no bus format was specified in the device tree, * we can still get it from the connected panel later. */ if (channel->panel && channel->panel->funcs && channel->panel->funcs->get_modes) - channel->bus_format = 0; + bus_format = 0; } - if (channel->bus_format < 0) { + if (bus_format < 0) { dev_err(dev, "could not determine data mapping: %d\n", - channel->bus_format); - return channel->bus_format; + bus_format); + return bus_format; } + imx_ldb_bus_format_translation(channel, bus_format); + + channel->imx_encoder.di_hsync_pin = 2; + channel->imx_encoder.di_vsync_pin = 3; ret = imx_ldb_register(drm, channel); if (ret) @@ -675,7 +676,8 @@ static void imx_ldb_unbind(struct device *dev, struct device *master, continue; channel->connector.funcs->destroy(&channel->connector); - channel->encoder.funcs->destroy(&channel->encoder); + channel->imx_encoder.encoder.funcs->destroy( + &channel->imx_encoder.encoder); kfree(channel->edid); i2c_put_adapter(channel->ddc); diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 0b0aeee5c5f0..82a1edd74f20 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -99,7 +99,7 @@ #define TVE_TVDAC_TEST_MODE_MASK (0x7 << 0) #define con_to_tve(x) container_of(x, struct imx_tve, connector) -#define enc_to_tve(x) container_of(x, struct imx_tve, encoder) +#define imx_enc_to_tve(x) container_of(x, struct imx_tve, imx_encoder) enum { TVE_MODE_TVOUT, @@ -108,7 +108,7 @@ enum { struct imx_tve { struct drm_connector connector; - struct drm_encoder encoder; + struct imx_drm_encoder imx_encoder; struct device *dev; spinlock_t lock; /* register lock */ bool enabled; @@ -121,8 +121,6 @@ struct imx_tve { struct clk *di_sel_clk; struct clk_hw clk_hw_di; struct clk *di_clk; - int vsync_pin; - int hsync_pin; }; static void tve_lock(void *__tve) @@ -273,12 +271,13 @@ static struct drm_encoder *imx_tve_connector_best_encoder( { struct imx_tve *tve = con_to_tve(connector); - return &tve->encoder; + return &tve->imx_encoder.encoder; } static void imx_tve_encoder_dpms(struct drm_encoder *encoder, int mode) { - struct imx_tve *tve = enc_to_tve(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_tve *tve = imx_enc_to_tve(imx_encoder); int ret; ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, @@ -287,30 +286,12 @@ static void imx_tve_encoder_dpms(struct drm_encoder *encoder, int mode) dev_err(tve->dev, "failed to disable TVOUT: %d\n", ret); } -static void imx_tve_encoder_prepare(struct drm_encoder *encoder) -{ - struct imx_tve *tve = enc_to_tve(encoder); - - tve_disable(tve); - - switch (tve->mode) { - case TVE_MODE_VGA: - imx_drm_set_bus_config(encoder, MEDIA_BUS_FMT_GBR888_1X24, - tve->hsync_pin, tve->vsync_pin, - DRM_BUS_FLAG_DE_HIGH | - DRM_BUS_FLAG_PIXDATA_NEGEDGE); - break; - case TVE_MODE_TVOUT: - imx_drm_set_bus_format(encoder, MEDIA_BUS_FMT_YUV8_1X24); - break; - } -} - static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *orig_mode, struct drm_display_mode *mode) { - struct imx_tve *tve = enc_to_tve(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_tve *tve = imx_enc_to_tve(imx_encoder); unsigned long rounded_rate; unsigned long rate; int div = 1; @@ -344,14 +325,16 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, static void imx_tve_encoder_commit(struct drm_encoder *encoder) { - struct imx_tve *tve = enc_to_tve(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_tve *tve = imx_enc_to_tve(imx_encoder); tve_enable(tve); } static void imx_tve_encoder_disable(struct drm_encoder *encoder) { - struct imx_tve *tve = enc_to_tve(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_tve *tve = imx_enc_to_tve(imx_encoder); tve_disable(tve); } @@ -378,7 +361,6 @@ static const struct drm_encoder_funcs imx_tve_encoder_funcs = { static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = { .dpms = imx_tve_encoder_dpms, - .prepare = imx_tve_encoder_prepare, .mode_set = imx_tve_encoder_mode_set, .commit = imx_tve_encoder_commit, .disable = imx_tve_encoder_disable, @@ -499,13 +481,14 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) encoder_type = tve->mode == TVE_MODE_VGA ? DRM_MODE_ENCODER_DAC : DRM_MODE_ENCODER_TVDAC; - ret = imx_drm_encoder_parse_of(drm, &tve->encoder, + ret = imx_drm_encoder_parse_of(drm, &tve->imx_encoder.encoder, tve->dev->of_node); if (ret) return ret; - drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs); - drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs, + drm_encoder_helper_add(&tve->imx_encoder.encoder, + &imx_tve_encoder_helper_funcs); + drm_encoder_init(drm, &tve->imx_encoder.encoder, &imx_tve_encoder_funcs, encoder_type, NULL); drm_connector_helper_add(&tve->connector, @@ -513,7 +496,8 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) drm_connector_init(drm, &tve->connector, &imx_tve_connector_funcs, DRM_MODE_CONNECTOR_VGA); - drm_mode_connector_attach_encoder(&tve->connector, &tve->encoder); + drm_mode_connector_attach_encoder(&tve->connector, + &tve->imx_encoder.encoder); return 0; } @@ -591,7 +575,7 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) if (tve->mode == TVE_MODE_VGA) { ret = of_property_read_u32(np, "fsl,hsync-pin", - &tve->hsync_pin); + &tve->imx_encoder.di_hsync_pin); if (ret < 0) { dev_err(dev, "failed to get vsync pin\n"); @@ -599,12 +583,14 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) } ret |= of_property_read_u32(np, "fsl,vsync-pin", - &tve->vsync_pin); + &tve->imx_encoder.di_vsync_pin); if (ret < 0) { dev_err(dev, "failed to get vsync pin\n"); return ret; } + + tve->imx_encoder.bus_format = MEDIA_BUS_FMT_GBR888_1X24; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -693,7 +679,7 @@ static void imx_tve_unbind(struct device *dev, struct device *master, struct imx_tve *tve = dev_get_drvdata(dev); tve->connector.funcs->destroy(&tve->connector); - tve->encoder.funcs->destroy(&tve->encoder); + tve->imx_encoder.encoder.funcs->destroy(&tve->imx_encoder.encoder); if (!IS_ERR(tve->dac_reg)) regulator_disable(tve->dac_reg); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 7df51e81d895..f9d5d7c5cd79 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -67,10 +67,6 @@ struct ipu_crtc { struct workqueue_struct *flip_queue; struct ipu_flip_work *flip_work; int irq; - u32 bus_format; - u32 bus_flags; - int di_hsync_pin; - int di_vsync_pin; }; #define to_ipu_crtc(x) container_of(x, struct ipu_crtc, base) @@ -321,6 +317,7 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct drm_encoder *encoder; + struct imx_drm_encoder *imx_encoder = NULL; struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); struct drm_display_mode *mode = &crtc->state->adjusted_mode; struct ipu_di_signal_cfg sig_cfg = {}; @@ -331,9 +328,12 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) dev_dbg(ipu_crtc->dev, "%s: mode->vdisplay: %d\n", __func__, mode->vdisplay); - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - if (encoder->crtc == crtc) + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc == crtc) { encoder_types |= BIT(encoder->encoder_type); + imx_encoder = enc_to_imx_enc(encoder); + } + } dev_dbg(ipu_crtc->dev, "%s: attached to encoder types 0x%lx\n", __func__, encoder_types); @@ -351,20 +351,20 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) else sig_cfg.clkflags = 0; - sig_cfg.enable_pol = !(ipu_crtc->bus_flags & DRM_BUS_FLAG_DE_LOW); + sig_cfg.enable_pol = !(imx_encoder->bus_flags & DRM_BUS_FLAG_DE_LOW); /* Default to driving pixel data on negative clock edges */ - sig_cfg.clk_pol = !!(ipu_crtc->bus_flags & + sig_cfg.clk_pol = !!(imx_encoder->bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE); - sig_cfg.bus_format = ipu_crtc->bus_format; + sig_cfg.bus_format = imx_encoder->bus_format; sig_cfg.v_to_h_sync = 0; - sig_cfg.hsync_pin = ipu_crtc->di_hsync_pin; - sig_cfg.vsync_pin = ipu_crtc->di_vsync_pin; + sig_cfg.hsync_pin = imx_encoder->di_hsync_pin; + sig_cfg.vsync_pin = imx_encoder->di_vsync_pin; drm_display_mode_to_videomode(mode, &sig_cfg.mode); ipu_dc_init_sync(ipu_crtc->dc, ipu_crtc->di, mode->flags & DRM_MODE_FLAG_INTERLACE, - ipu_crtc->bus_format, mode->hdisplay); + imx_encoder->bus_format, mode->hdisplay); ipu_di_init_sync_panel(ipu_crtc->di, &sig_cfg); } @@ -402,23 +402,9 @@ static void ipu_disable_vblank(struct drm_crtc *crtc) disable_irq_nosync(ipu_crtc->irq); } -static int ipu_set_interface_pix_fmt(struct drm_crtc *crtc, - u32 bus_format, int hsync_pin, int vsync_pin, u32 bus_flags) -{ - struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); - - ipu_crtc->bus_format = bus_format; - ipu_crtc->bus_flags = bus_flags; - ipu_crtc->di_hsync_pin = hsync_pin; - ipu_crtc->di_vsync_pin = vsync_pin; - - return 0; -} - static const struct imx_drm_crtc_helper_funcs ipu_crtc_helper_funcs = { .enable_vblank = ipu_enable_vblank, .disable_vblank = ipu_disable_vblank, - .set_interface_pix_fmt = ipu_set_interface_pix_fmt, .crtc_funcs = &ipu_crtc_funcs, .crtc_helper_funcs = &ipu_helper_funcs, }; diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 9fe88c9b4b0d..7374d824a6d1 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -27,15 +27,15 @@ #include "imx-drm.h" #define con_to_imxpd(x) container_of(x, struct imx_parallel_display, connector) -#define enc_to_imxpd(x) container_of(x, struct imx_parallel_display, encoder) +#define imx_enc_to_imxpd(x) \ + container_of(x, struct imx_parallel_display, imx_encoder) struct imx_parallel_display { struct drm_connector connector; - struct drm_encoder encoder; + struct imx_drm_encoder imx_encoder; struct device *dev; void *edid; int edid_len; - u32 bus_format; struct drm_display_mode mode; struct drm_panel *panel; }; @@ -57,8 +57,9 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) struct drm_display_info *di = &connector->display_info; num_modes = imxpd->panel->funcs->get_modes(imxpd->panel); - if (!imxpd->bus_format && di->num_bus_formats) - imxpd->bus_format = di->bus_formats[0]; + if (!imxpd->imx_encoder.bus_format && di->num_bus_formats) + imxpd->imx_encoder.bus_format = di->bus_formats[0]; + imxpd->imx_encoder.bus_flags = di->bus_flags; if (num_modes > 0) return num_modes; } @@ -88,12 +89,13 @@ static struct drm_encoder *imx_pd_connector_best_encoder( { struct imx_parallel_display *imxpd = con_to_imxpd(connector); - return &imxpd->encoder; + return &imxpd->imx_encoder.encoder; } static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode) { - struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); if (mode != DRM_MODE_DPMS_ON) drm_panel_disable(imxpd->panel); @@ -101,16 +103,10 @@ static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode) drm_panel_enable(imxpd->panel); } -static void imx_pd_encoder_prepare(struct drm_encoder *encoder) -{ - struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); - imx_drm_set_bus_config(encoder, imxpd->bus_format, 2, 3, - imxpd->connector.display_info.bus_flags); -} - static void imx_pd_encoder_commit(struct drm_encoder *encoder) { - struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); drm_panel_prepare(imxpd->panel); drm_panel_enable(imxpd->panel); @@ -124,7 +120,8 @@ static void imx_pd_encoder_mode_set(struct drm_encoder *encoder, static void imx_pd_encoder_disable(struct drm_encoder *encoder) { - struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); + struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); + struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); drm_panel_disable(imxpd->panel); drm_panel_unprepare(imxpd->panel); @@ -151,7 +148,6 @@ static const struct drm_encoder_funcs imx_pd_encoder_funcs = { static const struct drm_encoder_helper_funcs imx_pd_encoder_helper_funcs = { .dpms = imx_pd_encoder_dpms, - .prepare = imx_pd_encoder_prepare, .commit = imx_pd_encoder_commit, .mode_set = imx_pd_encoder_mode_set, .disable = imx_pd_encoder_disable, @@ -162,7 +158,7 @@ static int imx_pd_register(struct drm_device *drm, { int ret; - ret = imx_drm_encoder_parse_of(drm, &imxpd->encoder, + ret = imx_drm_encoder_parse_of(drm, &imxpd->imx_encoder.encoder, imxpd->dev->of_node); if (ret) return ret; @@ -174,9 +170,10 @@ static int imx_pd_register(struct drm_device *drm, */ imxpd->connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_helper_add(&imxpd->encoder, &imx_pd_encoder_helper_funcs); - drm_encoder_init(drm, &imxpd->encoder, &imx_pd_encoder_funcs, - DRM_MODE_ENCODER_NONE, NULL); + drm_encoder_helper_add(&imxpd->imx_encoder.encoder, + &imx_pd_encoder_helper_funcs); + drm_encoder_init(drm, &imxpd->imx_encoder.encoder, + &imx_pd_encoder_funcs, DRM_MODE_ENCODER_NONE, NULL); drm_connector_helper_add(&imxpd->connector, &imx_pd_connector_helper_funcs); @@ -186,7 +183,8 @@ static int imx_pd_register(struct drm_device *drm, if (imxpd->panel) drm_panel_attach(imxpd->panel, &imxpd->connector); - drm_mode_connector_attach_encoder(&imxpd->connector, &imxpd->encoder); + drm_mode_connector_attach_encoder(&imxpd->connector, + &imxpd->imx_encoder.encoder); return 0; } @@ -199,6 +197,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) const u8 *edidp; struct imx_parallel_display *imxpd; int ret; + u32 bus_format = 0; const char *fmt; imxpd = devm_kzalloc(dev, sizeof(*imxpd), GFP_KERNEL); @@ -212,14 +211,17 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) ret = of_property_read_string(np, "interface-pix-fmt", &fmt); if (!ret) { if (!strcmp(fmt, "rgb24")) - imxpd->bus_format = MEDIA_BUS_FMT_RGB888_1X24; + bus_format = MEDIA_BUS_FMT_RGB888_1X24; else if (!strcmp(fmt, "rgb565")) - imxpd->bus_format = MEDIA_BUS_FMT_RGB565_1X16; + bus_format = MEDIA_BUS_FMT_RGB565_1X16; else if (!strcmp(fmt, "bgr666")) - imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X18; + bus_format = MEDIA_BUS_FMT_RGB666_1X18; else if (!strcmp(fmt, "lvds666")) - imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI; + bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI; } + imxpd->imx_encoder.bus_format = bus_format; + imxpd->imx_encoder.di_hsync_pin = 2; + imxpd->imx_encoder.di_vsync_pin = 3; /* port@1 is the output port */ ep = of_graph_get_endpoint_by_regs(np, 1, -1); @@ -252,7 +254,7 @@ static void imx_pd_unbind(struct device *dev, struct device *master, { struct imx_parallel_display *imxpd = dev_get_drvdata(dev); - imxpd->encoder.funcs->destroy(&imxpd->encoder); + imxpd->imx_encoder.encoder.funcs->destroy(&imxpd->imx_encoder.encoder); imxpd->connector.funcs->destroy(&imxpd->connector); kfree(imxpd->edid); -- cgit v1.2.3 From f6e396e5096dec2523fade421bc27f3fae38e31d Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Fri, 8 Jul 2016 17:41:01 +0800 Subject: drm/imx: atomic phase 3 step 2: Legacy callback fixups Now that we can use atomic configurations, all the legacy callbacks of CRTCs, encoders and connectors can be switched to the atomic version. For the imx-ldb driver, there is a clock parent setting mismatch bewteen ->enable and ->disable after the switch, so a fixup is added. For the imx-tve driver, since the encoder's callback ->dpms is replaced by ->disable, we need to move the setting for the IPU_CLK_EN bit(in register TVE_COM_CONF_REG) from ->enable/->disable to ->mode_set, otherwise, the relevant CRTC cannot be disabled correctly with a warning on DC stop timeout. Signed-off-by: Liu Ying Acked-by: Daniel Vetter Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/dw_hdmi-imx.c | 4 ++-- drivers/gpu/drm/imx/imx-ldb.c | 16 ++++++------- drivers/gpu/drm/imx/imx-tve.c | 27 +++++++-------------- drivers/gpu/drm/imx/ipuv3-crtc.c | 44 +++++----------------------------- drivers/gpu/drm/imx/parallel-display.c | 18 +++----------- 5 files changed, 27 insertions(+), 82 deletions(-) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c index 5f646748960a..5f1d437405f8 100644 --- a/drivers/gpu/drm/imx/dw_hdmi-imx.c +++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c @@ -117,7 +117,7 @@ static void dw_hdmi_imx_encoder_mode_set(struct drm_encoder *encoder, { } -static void dw_hdmi_imx_encoder_commit(struct drm_encoder *encoder) +static void dw_hdmi_imx_encoder_enable(struct drm_encoder *encoder) { struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); struct imx_hdmi *hdmi = imx_enc_to_imx_hdmi(imx_encoder); @@ -130,7 +130,7 @@ static void dw_hdmi_imx_encoder_commit(struct drm_encoder *encoder) static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = { .mode_set = dw_hdmi_imx_encoder_mode_set, - .commit = dw_hdmi_imx_encoder_commit, + .enable = dw_hdmi_imx_encoder_enable, .disable = dw_hdmi_imx_encoder_disable, }; diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 6e110bba35cb..9c48c4b23a8c 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -172,10 +172,6 @@ static struct drm_encoder *imx_ldb_connector_best_encoder( return &imx_ldb_ch->imx_encoder.encoder; } -static void imx_ldb_encoder_dpms(struct drm_encoder *encoder, int mode) -{ -} - static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno, unsigned long serial_clk, unsigned long di_clk) { @@ -204,7 +200,7 @@ static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno, chno); } -static void imx_ldb_encoder_commit(struct drm_encoder *encoder) +static void imx_ldb_encoder_enable(struct drm_encoder *encoder) { struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); @@ -215,8 +211,13 @@ static void imx_ldb_encoder_commit(struct drm_encoder *encoder) drm_panel_prepare(imx_ldb_ch->panel); if (dual) { + clk_set_parent(ldb->clk_sel[mux], ldb->clk[0]); + clk_set_parent(ldb->clk_sel[mux], ldb->clk[1]); + clk_prepare_enable(ldb->clk[0]); clk_prepare_enable(ldb->clk[1]); + } else { + clk_set_parent(ldb->clk_sel[mux], ldb->clk[imx_ldb_ch->chno]); } if (imx_ldb_ch == &ldb->channel[0] || dual) { @@ -356,7 +357,7 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder) } static const struct drm_connector_funcs imx_ldb_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, .detect = imx_ldb_connector_detect, .destroy = imx_drm_connector_destroy, @@ -375,9 +376,8 @@ static const struct drm_encoder_funcs imx_ldb_encoder_funcs = { }; static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = { - .dpms = imx_ldb_encoder_dpms, - .commit = imx_ldb_encoder_commit, .mode_set = imx_ldb_encoder_mode_set, + .enable = imx_ldb_encoder_enable, .disable = imx_ldb_encoder_disable, }; diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 82a1edd74f20..cd92aac5c3bc 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -147,8 +147,7 @@ static void tve_enable(struct imx_tve *tve) tve->enabled = true; clk_prepare_enable(tve->clk); ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, - TVE_IPU_CLK_EN | TVE_EN, - TVE_IPU_CLK_EN | TVE_EN); + TVE_EN, TVE_EN); } /* clear interrupt status register */ @@ -171,7 +170,7 @@ static void tve_disable(struct imx_tve *tve) if (tve->enabled) { tve->enabled = false; ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, - TVE_IPU_CLK_EN | TVE_EN, 0); + TVE_EN, 0); clk_disable_unprepare(tve->clk); } } @@ -274,18 +273,6 @@ static struct drm_encoder *imx_tve_connector_best_encoder( return &tve->imx_encoder.encoder; } -static void imx_tve_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_tve *tve = imx_enc_to_tve(imx_encoder); - int ret; - - ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, - TVE_TV_OUT_MODE_MASK, TVE_TV_OUT_DISABLE); - if (ret < 0) - dev_err(tve->dev, "failed to disable TVOUT: %d\n", ret); -} - static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *orig_mode, struct drm_display_mode *mode) @@ -315,6 +302,9 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, ret); } + regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, + TVE_IPU_CLK_EN, TVE_IPU_CLK_EN); + if (tve->mode == TVE_MODE_VGA) ret = tve_setup_vga(tve); else @@ -323,7 +313,7 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, dev_err(tve->dev, "failed to set configuration: %d\n", ret); } -static void imx_tve_encoder_commit(struct drm_encoder *encoder) +static void imx_tve_encoder_enable(struct drm_encoder *encoder) { struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); struct imx_tve *tve = imx_enc_to_tve(imx_encoder); @@ -340,7 +330,7 @@ static void imx_tve_encoder_disable(struct drm_encoder *encoder) } static const struct drm_connector_funcs imx_tve_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, .detect = imx_tve_connector_detect, .destroy = imx_drm_connector_destroy, @@ -360,9 +350,8 @@ static const struct drm_encoder_funcs imx_tve_encoder_funcs = { }; static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = { - .dpms = imx_tve_encoder_dpms, .mode_set = imx_tve_encoder_mode_set, - .commit = imx_tve_encoder_commit, + .enable = imx_tve_encoder_enable, .disable = imx_tve_encoder_disable, }; diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 3e8253455121..274b0e2f917c 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -48,8 +48,9 @@ struct ipu_crtc { #define to_ipu_crtc(x) container_of(x, struct ipu_crtc, base) -static void ipu_crtc_enable(struct ipu_crtc *ipu_crtc) +static void ipu_crtc_enable(struct drm_crtc *crtc) { + struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); ipu_dc_enable(ipu); @@ -57,10 +58,10 @@ static void ipu_crtc_enable(struct ipu_crtc *ipu_crtc) ipu_di_enable(ipu_crtc->di); } -static void ipu_crtc_disable(struct ipu_crtc *ipu_crtc) +static void ipu_crtc_disable(struct drm_crtc *crtc) { + struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); - struct drm_crtc *crtc = &ipu_crtc->base; ipu_dc_disable_channel(ipu_crtc->dc); ipu_di_disable(ipu_crtc->di); @@ -74,24 +75,6 @@ static void ipu_crtc_disable(struct ipu_crtc *ipu_crtc) spin_unlock_irq(&crtc->dev->event_lock); } -static void ipu_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); - - dev_dbg(ipu_crtc->dev, "%s mode: %d\n", __func__, mode); - - switch (mode) { - case DRM_MODE_DPMS_ON: - ipu_crtc_enable(ipu_crtc); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - ipu_crtc_disable(ipu_crtc); - break; - } -} - static const struct drm_crtc_funcs ipu_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .destroy = drm_crtc_cleanup, @@ -132,20 +115,6 @@ static bool ipu_crtc_mode_fixup(struct drm_crtc *crtc, return true; } -static void ipu_crtc_prepare(struct drm_crtc *crtc) -{ - struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); - - ipu_crtc_disable(ipu_crtc); -} - -static void ipu_crtc_commit(struct drm_crtc *crtc) -{ - struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); - - ipu_crtc_enable(ipu_crtc); -} - static int ipu_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { @@ -225,13 +194,12 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) } static const struct drm_crtc_helper_funcs ipu_helper_funcs = { - .dpms = ipu_crtc_dpms, .mode_fixup = ipu_crtc_mode_fixup, .mode_set_nofb = ipu_crtc_mode_set_nofb, - .prepare = ipu_crtc_prepare, - .commit = ipu_crtc_commit, .atomic_check = ipu_crtc_atomic_check, .atomic_begin = ipu_crtc_atomic_begin, + .disable = ipu_crtc_disable, + .enable = ipu_crtc_enable, }; static int ipu_enable_vblank(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 7374d824a6d1..bb5dbd66fea7 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -92,18 +92,7 @@ static struct drm_encoder *imx_pd_connector_best_encoder( return &imxpd->imx_encoder.encoder; } -static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); - - if (mode != DRM_MODE_DPMS_ON) - drm_panel_disable(imxpd->panel); - else - drm_panel_enable(imxpd->panel); -} - -static void imx_pd_encoder_commit(struct drm_encoder *encoder) +static void imx_pd_encoder_enable(struct drm_encoder *encoder) { struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); @@ -128,7 +117,7 @@ static void imx_pd_encoder_disable(struct drm_encoder *encoder) } static const struct drm_connector_funcs imx_pd_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, .detect = imx_pd_connector_detect, .destroy = imx_drm_connector_destroy, @@ -147,9 +136,8 @@ static const struct drm_encoder_funcs imx_pd_encoder_funcs = { }; static const struct drm_encoder_helper_funcs imx_pd_encoder_helper_funcs = { - .dpms = imx_pd_encoder_dpms, - .commit = imx_pd_encoder_commit, .mode_set = imx_pd_encoder_mode_set, + .enable = imx_pd_encoder_enable, .disable = imx_pd_encoder_disable, }; -- cgit v1.2.3 From 49f98bc4d44a4ee507737f8d5531d05539787319 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 6 Jul 2016 14:49:24 +0200 Subject: drm/imx: store internal bus configuration in crtc state The internal bus configuration is imx-drm specific crtc state. Store it in imx_crtc_state and let the encoder atomic_check callbacks determine bus_flags, bus_format and the sync pins, possibly taking into account the mode and the connector display info. The custom imx_drm_encoder structure can be replaced again with drm_encoder. Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/dw_hdmi-imx.c | 31 ++++++--- drivers/gpu/drm/imx/imx-drm.h | 9 ++- drivers/gpu/drm/imx/imx-ldb.c | 111 ++++++++++++++++++++++----------- drivers/gpu/drm/imx/imx-tve.c | 55 +++++++++------- drivers/gpu/drm/imx/ipuv3-crtc.c | 67 ++++++++++++++++---- drivers/gpu/drm/imx/parallel-display.c | 63 +++++++++++-------- 6 files changed, 229 insertions(+), 107 deletions(-) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c index dce1ea5f52a8..359cd2765552 100644 --- a/drivers/gpu/drm/imx/dw_hdmi-imx.c +++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c @@ -22,14 +22,17 @@ #include "imx-drm.h" -#define imx_enc_to_imx_hdmi(x) container_of(x, struct imx_hdmi, imx_encoder) - struct imx_hdmi { struct device *dev; - struct imx_drm_encoder imx_encoder; + struct drm_encoder encoder; struct regmap *regmap; }; +static inline struct imx_hdmi *enc_to_imx_hdmi(struct drm_encoder *e) +{ + return container_of(e, struct imx_hdmi, encoder); +} + static const struct dw_hdmi_mpll_config imx_mpll_cfg[] = { { 45250000, { @@ -113,8 +116,7 @@ static void dw_hdmi_imx_encoder_disable(struct drm_encoder *encoder) static void dw_hdmi_imx_encoder_enable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_hdmi *hdmi = imx_enc_to_imx_hdmi(imx_encoder); + struct imx_hdmi *hdmi = enc_to_imx_hdmi(encoder); int mux = drm_of_encoder_active_port_id(hdmi->dev->of_node, encoder); regmap_update_bits(hdmi->regmap, IOMUXC_GPR3, @@ -122,9 +124,23 @@ static void dw_hdmi_imx_encoder_enable(struct drm_encoder *encoder) mux << IMX6Q_GPR3_HDMI_MUX_CTL_SHIFT); } +static int dw_hdmi_imx_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state); + + imx_crtc_state->bus_format = MEDIA_BUS_FMT_RGB888_1X24; + imx_crtc_state->di_hsync_pin = 2; + imx_crtc_state->di_vsync_pin = 3; + + return 0; +} + static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = { .enable = dw_hdmi_imx_encoder_enable, .disable = dw_hdmi_imx_encoder_disable, + .atomic_check = dw_hdmi_imx_atomic_check, }; static const struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = { @@ -205,10 +221,7 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, match = of_match_node(dw_hdmi_imx_dt_ids, pdev->dev.of_node); plat_data = match->data; hdmi->dev = &pdev->dev; - encoder = &hdmi->imx_encoder.encoder; - hdmi->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24; - hdmi->imx_encoder.di_hsync_pin = 2; - hdmi->imx_encoder.di_vsync_pin = 3; + encoder = &hdmi->encoder; irq = platform_get_irq(pdev, 0); if (irq < 0) diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h index 39cef15c699b..07d33e45f90f 100644 --- a/drivers/gpu/drm/imx/imx-drm.h +++ b/drivers/gpu/drm/imx/imx-drm.h @@ -15,15 +15,18 @@ struct platform_device; unsigned int imx_drm_crtc_id(struct imx_drm_crtc *crtc); -struct imx_drm_encoder { - struct drm_encoder encoder; +struct imx_crtc_state { + struct drm_crtc_state base; u32 bus_format; u32 bus_flags; int di_hsync_pin; int di_vsync_pin; }; -#define enc_to_imx_enc(x) container_of(x, struct imx_drm_encoder, encoder) +static inline struct imx_crtc_state *to_imx_crtc_state(struct drm_crtc_state *s) +{ + return container_of(s, struct imx_crtc_state, base); +} struct imx_drm_crtc_helper_funcs { int (*enable_vblank)(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 9c48c4b23a8c..9ac833540080 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -51,15 +52,13 @@ #define LDB_BGREF_RMODE_INT (1 << 15) #define con_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, connector) -#define imx_enc_to_imx_ldb_ch(x) \ - container_of(x, struct imx_ldb_channel, imx_encoder) struct imx_ldb; struct imx_ldb_channel { struct imx_ldb *ldb; struct drm_connector connector; - struct imx_drm_encoder imx_encoder; + struct drm_encoder encoder; struct drm_panel *panel; struct device_node *child; struct i2c_adapter *ddc; @@ -68,8 +67,14 @@ struct imx_ldb_channel { int edid_len; struct drm_display_mode mode; int mode_valid; + u32 bus_format; }; +static inline struct imx_ldb_channel *enc_to_imx_ldb_ch(struct drm_encoder *e) +{ + return container_of(e, struct imx_ldb_channel, encoder); +} + struct bus_mux { int reg; int shift; @@ -94,25 +99,22 @@ static enum drm_connector_status imx_ldb_connector_detect( return connector_status_connected; } -static void imx_ldb_bus_format_translation(struct imx_ldb_channel *imx_ldb_ch, - u32 bus_format) +static void imx_ldb_ch_set_bus_format(struct imx_ldb_channel *imx_ldb_ch, + u32 bus_format) { struct imx_ldb *ldb = imx_ldb_ch->ldb; int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; switch (bus_format) { case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: - imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB666_1X18; break; case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: - imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24; if (imx_ldb_ch->chno == 0 || dual) ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24; if (imx_ldb_ch->chno == 1 || dual) ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24; break; case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: - imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24; if (imx_ldb_ch->chno == 0 || dual) ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24 | LDB_BIT_MAP_CH0_JEIDA; @@ -130,12 +132,7 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector) if (imx_ldb_ch->panel && imx_ldb_ch->panel->funcs && imx_ldb_ch->panel->funcs->get_modes) { - struct drm_display_info *di = &connector->display_info; - num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel); - if (!imx_ldb_ch->imx_encoder.bus_format && di->num_bus_formats) - imx_ldb_bus_format_translation(imx_ldb_ch, - di->bus_formats[0]); if (num_modes > 0) return num_modes; } @@ -169,7 +166,7 @@ static struct drm_encoder *imx_ldb_connector_best_encoder( { struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); - return &imx_ldb_ch->imx_encoder.encoder; + return &imx_ldb_ch->encoder; } static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno, @@ -202,8 +199,7 @@ static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno, static void imx_ldb_encoder_enable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); + struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder); @@ -256,13 +252,13 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *orig_mode, struct drm_display_mode *mode) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); + struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; unsigned long serial_clk; unsigned long di_clk = mode->clock * 1000; int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder); + u32 bus_format = imx_ldb_ch->bus_format; if (mode->clock > 170000) { dev_warn(ldb->dev, @@ -284,24 +280,41 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, } /* FIXME - assumes straight connections DI0 --> CH0, DI1 --> CH1 */ - if (imx_ldb_ch == &ldb->channel[0]) { + if (imx_ldb_ch == &ldb->channel[0] || dual) { if (mode->flags & DRM_MODE_FLAG_NVSYNC) ldb->ldb_ctrl |= LDB_DI0_VS_POL_ACT_LOW; else if (mode->flags & DRM_MODE_FLAG_PVSYNC) ldb->ldb_ctrl &= ~LDB_DI0_VS_POL_ACT_LOW; } - if (imx_ldb_ch == &ldb->channel[1]) { + if (imx_ldb_ch == &ldb->channel[1] || dual) { if (mode->flags & DRM_MODE_FLAG_NVSYNC) ldb->ldb_ctrl |= LDB_DI1_VS_POL_ACT_LOW; else if (mode->flags & DRM_MODE_FLAG_PVSYNC) ldb->ldb_ctrl &= ~LDB_DI1_VS_POL_ACT_LOW; } + + if (!bus_format) { + struct drm_connector_state *conn_state; + struct drm_connector *connector; + int i; + + for_each_connector_in_state(encoder->crtc->state->state, + connector, conn_state, i) { + struct drm_display_info *di = &connector->display_info; + + if (conn_state->crtc == encoder->crtc && + di->num_bus_formats) { + bus_format = di->bus_formats[0]; + break; + } + } + } + imx_ldb_ch_set_bus_format(imx_ldb_ch, bus_format); } static void imx_ldb_encoder_disable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder); + struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; int mux, ret; @@ -356,6 +369,37 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder) drm_panel_unprepare(imx_ldb_ch->panel); } +static int imx_ldb_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state); + struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); + struct drm_display_info *di = &conn_state->connector->display_info; + u32 bus_format = imx_ldb_ch->bus_format; + + /* Bus format description in DT overrides connector display info. */ + if (!bus_format && di->num_bus_formats) + bus_format = di->bus_formats[0]; + switch (bus_format) { + case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: + imx_crtc_state->bus_format = MEDIA_BUS_FMT_RGB666_1X18; + break; + case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: + case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: + imx_crtc_state->bus_format = MEDIA_BUS_FMT_RGB888_1X24; + break; + default: + return -EINVAL; + } + + imx_crtc_state->di_hsync_pin = 2; + imx_crtc_state->di_vsync_pin = 3; + + return 0; +} + + static const struct drm_connector_funcs imx_ldb_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, @@ -379,6 +423,7 @@ static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = { .mode_set = imx_ldb_encoder_mode_set, .enable = imx_ldb_encoder_enable, .disable = imx_ldb_encoder_disable, + .atomic_check = imx_ldb_encoder_atomic_check, }; static int imx_ldb_get_clk(struct imx_ldb *ldb, int chno) @@ -400,10 +445,10 @@ static int imx_ldb_register(struct drm_device *drm, struct imx_ldb_channel *imx_ldb_ch) { struct imx_ldb *ldb = imx_ldb_ch->ldb; + struct drm_encoder *encoder = &imx_ldb_ch->encoder; int ret; - ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->imx_encoder.encoder, - imx_ldb_ch->child); + ret = imx_drm_encoder_parse_of(drm, encoder, imx_ldb_ch->child); if (ret) return ret; @@ -417,10 +462,9 @@ static int imx_ldb_register(struct drm_device *drm, return ret; } - drm_encoder_helper_add(&imx_ldb_ch->imx_encoder.encoder, - &imx_ldb_encoder_helper_funcs); - drm_encoder_init(drm, &imx_ldb_ch->imx_encoder.encoder, - &imx_ldb_encoder_funcs, DRM_MODE_ENCODER_LVDS, NULL); + drm_encoder_helper_add(encoder, &imx_ldb_encoder_helper_funcs); + drm_encoder_init(drm, encoder, &imx_ldb_encoder_funcs, + DRM_MODE_ENCODER_LVDS, NULL); drm_connector_helper_add(&imx_ldb_ch->connector, &imx_ldb_connector_helper_funcs); @@ -430,8 +474,7 @@ static int imx_ldb_register(struct drm_device *drm, if (imx_ldb_ch->panel) drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector); - drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, - &imx_ldb_ch->imx_encoder.encoder); + drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, encoder); return 0; } @@ -648,10 +691,7 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) bus_format); return bus_format; } - imx_ldb_bus_format_translation(channel, bus_format); - - channel->imx_encoder.di_hsync_pin = 2; - channel->imx_encoder.di_vsync_pin = 3; + channel->bus_format = bus_format; ret = imx_ldb_register(drm, channel); if (ret) @@ -676,8 +716,7 @@ static void imx_ldb_unbind(struct device *dev, struct device *master, continue; channel->connector.funcs->destroy(&channel->connector); - channel->imx_encoder.encoder.funcs->destroy( - &channel->imx_encoder.encoder); + channel->encoder.funcs->destroy(&channel->encoder); kfree(channel->edid); i2c_put_adapter(channel->ddc); diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index cd92aac5c3bc..520b31228a6f 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -99,7 +99,6 @@ #define TVE_TVDAC_TEST_MODE_MASK (0x7 << 0) #define con_to_tve(x) container_of(x, struct imx_tve, connector) -#define imx_enc_to_tve(x) container_of(x, struct imx_tve, imx_encoder) enum { TVE_MODE_TVOUT, @@ -108,11 +107,13 @@ enum { struct imx_tve { struct drm_connector connector; - struct imx_drm_encoder imx_encoder; + struct drm_encoder encoder; struct device *dev; spinlock_t lock; /* register lock */ bool enabled; int mode; + int di_hsync_pin; + int di_vsync_pin; struct regmap *regmap; struct regulator *dac_reg; @@ -123,6 +124,11 @@ struct imx_tve { struct clk *di_clk; }; +static inline struct imx_tve *enc_to_tve(struct drm_encoder *e) +{ + return container_of(e, struct imx_tve, encoder); +} + static void tve_lock(void *__tve) __acquires(&tve->lock) { @@ -270,15 +276,14 @@ static struct drm_encoder *imx_tve_connector_best_encoder( { struct imx_tve *tve = con_to_tve(connector); - return &tve->imx_encoder.encoder; + return &tve->encoder; } static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *orig_mode, struct drm_display_mode *mode) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_tve *tve = imx_enc_to_tve(imx_encoder); + struct imx_tve *tve = enc_to_tve(encoder); unsigned long rounded_rate; unsigned long rate; int div = 1; @@ -315,20 +320,32 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder, static void imx_tve_encoder_enable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_tve *tve = imx_enc_to_tve(imx_encoder); + struct imx_tve *tve = enc_to_tve(encoder); tve_enable(tve); } static void imx_tve_encoder_disable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_tve *tve = imx_enc_to_tve(imx_encoder); + struct imx_tve *tve = enc_to_tve(encoder); tve_disable(tve); } +static int imx_tve_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state); + struct imx_tve *tve = enc_to_tve(encoder); + + imx_crtc_state->bus_format = MEDIA_BUS_FMT_GBR888_1X24; + imx_crtc_state->di_hsync_pin = tve->di_hsync_pin; + imx_crtc_state->di_vsync_pin = tve->di_vsync_pin; + + return 0; +} + static const struct drm_connector_funcs imx_tve_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, @@ -353,6 +370,7 @@ static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = { .mode_set = imx_tve_encoder_mode_set, .enable = imx_tve_encoder_enable, .disable = imx_tve_encoder_disable, + .atomic_check = imx_tve_atomic_check, }; static irqreturn_t imx_tve_irq_handler(int irq, void *data) @@ -470,14 +488,12 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) encoder_type = tve->mode == TVE_MODE_VGA ? DRM_MODE_ENCODER_DAC : DRM_MODE_ENCODER_TVDAC; - ret = imx_drm_encoder_parse_of(drm, &tve->imx_encoder.encoder, - tve->dev->of_node); + ret = imx_drm_encoder_parse_of(drm, &tve->encoder, tve->dev->of_node); if (ret) return ret; - drm_encoder_helper_add(&tve->imx_encoder.encoder, - &imx_tve_encoder_helper_funcs); - drm_encoder_init(drm, &tve->imx_encoder.encoder, &imx_tve_encoder_funcs, + drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs); + drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs, encoder_type, NULL); drm_connector_helper_add(&tve->connector, @@ -485,8 +501,7 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) drm_connector_init(drm, &tve->connector, &imx_tve_connector_funcs, DRM_MODE_CONNECTOR_VGA); - drm_mode_connector_attach_encoder(&tve->connector, - &tve->imx_encoder.encoder); + drm_mode_connector_attach_encoder(&tve->connector, &tve->encoder); return 0; } @@ -564,7 +579,7 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) if (tve->mode == TVE_MODE_VGA) { ret = of_property_read_u32(np, "fsl,hsync-pin", - &tve->imx_encoder.di_hsync_pin); + &tve->di_hsync_pin); if (ret < 0) { dev_err(dev, "failed to get vsync pin\n"); @@ -572,14 +587,12 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) } ret |= of_property_read_u32(np, "fsl,vsync-pin", - &tve->imx_encoder.di_vsync_pin); + &tve->di_vsync_pin); if (ret < 0) { dev_err(dev, "failed to get vsync pin\n"); return ret; } - - tve->imx_encoder.bus_format = MEDIA_BUS_FMT_GBR888_1X24; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -668,7 +681,7 @@ static void imx_tve_unbind(struct device *dev, struct device *master, struct imx_tve *tve = dev_get_drvdata(dev); tve->connector.funcs->destroy(&tve->connector); - tve->imx_encoder.encoder.funcs->destroy(&tve->imx_encoder.encoder); + tve->encoder.funcs->destroy(&tve->encoder); if (!IS_ERR(tve->dac_reg)) regulator_disable(tve->dac_reg); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 274b0e2f917c..2791ef070e2e 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -75,13 +75,56 @@ static void ipu_crtc_disable(struct drm_crtc *crtc) spin_unlock_irq(&crtc->dev->event_lock); } +static void imx_drm_crtc_reset(struct drm_crtc *crtc) +{ + struct imx_crtc_state *state; + + if (crtc->state) { + if (crtc->state->mode_blob) + drm_property_unreference_blob(crtc->state->mode_blob); + + state = to_imx_crtc_state(crtc->state); + memset(state, 0, sizeof(*state)); + } else { + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return; + crtc->state = &state->base; + } + + state->base.crtc = crtc; +} + +static struct drm_crtc_state *imx_drm_crtc_duplicate_state(struct drm_crtc *crtc) +{ + struct imx_crtc_state *state; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base); + + WARN_ON(state->base.crtc != crtc); + state->base.crtc = crtc; + + return &state->base; +} + +static void imx_drm_crtc_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + __drm_atomic_helper_crtc_destroy_state(state); + kfree(to_imx_crtc_state(state)); +} + static const struct drm_crtc_funcs ipu_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .destroy = drm_crtc_cleanup, .page_flip = drm_atomic_helper_page_flip, - .reset = drm_atomic_helper_crtc_reset, - .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, + .reset = imx_drm_crtc_reset, + .atomic_duplicate_state = imx_drm_crtc_duplicate_state, + .atomic_destroy_state = imx_drm_crtc_destroy_state, }; static irqreturn_t ipu_irq_handler(int irq, void *dev_id) @@ -142,9 +185,9 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct drm_encoder *encoder; - struct imx_drm_encoder *imx_encoder = NULL; struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc); struct drm_display_mode *mode = &crtc->state->adjusted_mode; + struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc->state); struct ipu_di_signal_cfg sig_cfg = {}; unsigned long encoder_types = 0; @@ -154,10 +197,8 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) mode->vdisplay); list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc == crtc) { + if (encoder->crtc == crtc) encoder_types |= BIT(encoder->encoder_type); - imx_encoder = enc_to_imx_enc(encoder); - } } dev_dbg(ipu_crtc->dev, "%s: attached to encoder types 0x%lx\n", @@ -176,20 +217,20 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc) else sig_cfg.clkflags = 0; - sig_cfg.enable_pol = !(imx_encoder->bus_flags & DRM_BUS_FLAG_DE_LOW); + sig_cfg.enable_pol = !(imx_crtc_state->bus_flags & DRM_BUS_FLAG_DE_LOW); /* Default to driving pixel data on negative clock edges */ - sig_cfg.clk_pol = !!(imx_encoder->bus_flags & + sig_cfg.clk_pol = !!(imx_crtc_state->bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE); - sig_cfg.bus_format = imx_encoder->bus_format; + sig_cfg.bus_format = imx_crtc_state->bus_format; sig_cfg.v_to_h_sync = 0; - sig_cfg.hsync_pin = imx_encoder->di_hsync_pin; - sig_cfg.vsync_pin = imx_encoder->di_vsync_pin; + sig_cfg.hsync_pin = imx_crtc_state->di_hsync_pin; + sig_cfg.vsync_pin = imx_crtc_state->di_vsync_pin; drm_display_mode_to_videomode(mode, &sig_cfg.mode); ipu_dc_init_sync(ipu_crtc->dc, ipu_crtc->di, mode->flags & DRM_MODE_FLAG_INTERLACE, - imx_encoder->bus_format, mode->hdisplay); + imx_crtc_state->bus_format, mode->hdisplay); ipu_di_init_sync_panel(ipu_crtc->di, &sig_cfg); } diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 4a2942ecec17..9da60df5efa7 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -27,19 +27,23 @@ #include "imx-drm.h" #define con_to_imxpd(x) container_of(x, struct imx_parallel_display, connector) -#define imx_enc_to_imxpd(x) \ - container_of(x, struct imx_parallel_display, imx_encoder) struct imx_parallel_display { struct drm_connector connector; - struct imx_drm_encoder imx_encoder; + struct drm_encoder encoder; struct device *dev; void *edid; int edid_len; + u32 bus_format; struct drm_display_mode mode; struct drm_panel *panel; }; +static inline struct imx_parallel_display *enc_to_imxpd(struct drm_encoder *e) +{ + return container_of(e, struct imx_parallel_display, encoder); +} + static enum drm_connector_status imx_pd_connector_detect( struct drm_connector *connector, bool force) { @@ -54,12 +58,7 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) if (imxpd->panel && imxpd->panel->funcs && imxpd->panel->funcs->get_modes) { - struct drm_display_info *di = &connector->display_info; - num_modes = imxpd->panel->funcs->get_modes(imxpd->panel); - if (!imxpd->imx_encoder.bus_format && di->num_bus_formats) - imxpd->imx_encoder.bus_format = di->bus_formats[0]; - imxpd->imx_encoder.bus_flags = di->bus_flags; if (num_modes > 0) return num_modes; } @@ -89,13 +88,12 @@ static struct drm_encoder *imx_pd_connector_best_encoder( { struct imx_parallel_display *imxpd = con_to_imxpd(connector); - return &imxpd->imx_encoder.encoder; + return &imxpd->encoder; } static void imx_pd_encoder_enable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); + struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); drm_panel_prepare(imxpd->panel); drm_panel_enable(imxpd->panel); @@ -103,13 +101,31 @@ static void imx_pd_encoder_enable(struct drm_encoder *encoder) static void imx_pd_encoder_disable(struct drm_encoder *encoder) { - struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder); - struct imx_parallel_display *imxpd = imx_enc_to_imxpd(imx_encoder); + struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); drm_panel_disable(imxpd->panel); drm_panel_unprepare(imxpd->panel); } +static int imx_pd_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state); + struct drm_display_info *di = &conn_state->connector->display_info; + struct imx_parallel_display *imxpd = enc_to_imxpd(encoder); + + imx_crtc_state->bus_flags = di->bus_flags; + if (!imxpd->bus_format && di->num_bus_formats) + imx_crtc_state->bus_format = di->bus_formats[0]; + else + imx_crtc_state->bus_format = imxpd->bus_format; + imx_crtc_state->di_hsync_pin = 2; + imx_crtc_state->di_vsync_pin = 3; + + return 0; +} + static const struct drm_connector_funcs imx_pd_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, @@ -132,15 +148,16 @@ static const struct drm_encoder_funcs imx_pd_encoder_funcs = { static const struct drm_encoder_helper_funcs imx_pd_encoder_helper_funcs = { .enable = imx_pd_encoder_enable, .disable = imx_pd_encoder_disable, + .atomic_check = imx_pd_encoder_atomic_check, }; static int imx_pd_register(struct drm_device *drm, struct imx_parallel_display *imxpd) { + struct drm_encoder *encoder = &imxpd->encoder; int ret; - ret = imx_drm_encoder_parse_of(drm, &imxpd->imx_encoder.encoder, - imxpd->dev->of_node); + ret = imx_drm_encoder_parse_of(drm, encoder, imxpd->dev->of_node); if (ret) return ret; @@ -151,10 +168,9 @@ static int imx_pd_register(struct drm_device *drm, */ imxpd->connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_helper_add(&imxpd->imx_encoder.encoder, - &imx_pd_encoder_helper_funcs); - drm_encoder_init(drm, &imxpd->imx_encoder.encoder, - &imx_pd_encoder_funcs, DRM_MODE_ENCODER_NONE, NULL); + drm_encoder_helper_add(encoder, &imx_pd_encoder_helper_funcs); + drm_encoder_init(drm, encoder, &imx_pd_encoder_funcs, + DRM_MODE_ENCODER_NONE, NULL); drm_connector_helper_add(&imxpd->connector, &imx_pd_connector_helper_funcs); @@ -164,8 +180,7 @@ static int imx_pd_register(struct drm_device *drm, if (imxpd->panel) drm_panel_attach(imxpd->panel, &imxpd->connector); - drm_mode_connector_attach_encoder(&imxpd->connector, - &imxpd->imx_encoder.encoder); + drm_mode_connector_attach_encoder(&imxpd->connector, encoder); return 0; } @@ -200,9 +215,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) else if (!strcmp(fmt, "lvds666")) bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI; } - imxpd->imx_encoder.bus_format = bus_format; - imxpd->imx_encoder.di_hsync_pin = 2; - imxpd->imx_encoder.di_vsync_pin = 3; + imxpd->bus_format = bus_format; /* port@1 is the output port */ ep = of_graph_get_endpoint_by_regs(np, 1, -1); @@ -235,7 +248,7 @@ static void imx_pd_unbind(struct device *dev, struct device *master, { struct imx_parallel_display *imxpd = dev_get_drvdata(dev); - imxpd->imx_encoder.encoder.funcs->destroy(&imxpd->imx_encoder.encoder); + imxpd->encoder.funcs->destroy(&imxpd->encoder); imxpd->connector.funcs->destroy(&imxpd->connector); kfree(imxpd->edid); -- cgit v1.2.3 From 3df0739052c23989b441883fa251a0988f75c0f3 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 6 Jul 2016 15:47:11 +0200 Subject: drm/imx: turn remaining container_of macros into inline functions This allows the compiler to do type checking. Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/imx-ldb.c | 7 +++++-- drivers/gpu/drm/imx/imx-tve.c | 7 +++++-- drivers/gpu/drm/imx/ipuv3-crtc.c | 5 ++++- drivers/gpu/drm/imx/ipuv3-plane.c | 5 ++++- drivers/gpu/drm/imx/parallel-display.c | 7 +++++-- 5 files changed, 23 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 9ac833540080..00d67b5407d8 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -51,8 +51,6 @@ #define LDB_DI1_VS_POL_ACT_LOW (1 << 10) #define LDB_BGREF_RMODE_INT (1 << 15) -#define con_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, connector) - struct imx_ldb; struct imx_ldb_channel { @@ -70,6 +68,11 @@ struct imx_ldb_channel { u32 bus_format; }; +static inline struct imx_ldb_channel *con_to_imx_ldb_ch(struct drm_connector *c) +{ + return container_of(c, struct imx_ldb_channel, connector); +} + static inline struct imx_ldb_channel *enc_to_imx_ldb_ch(struct drm_encoder *e) { return container_of(e, struct imx_ldb_channel, encoder); diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 520b31228a6f..a293a7dad0d9 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -98,8 +98,6 @@ /* TVE_TST_MODE_REG */ #define TVE_TVDAC_TEST_MODE_MASK (0x7 << 0) -#define con_to_tve(x) container_of(x, struct imx_tve, connector) - enum { TVE_MODE_TVOUT, TVE_MODE_VGA, @@ -124,6 +122,11 @@ struct imx_tve { struct clk *di_clk; }; +static inline struct imx_tve *con_to_tve(struct drm_connector *c) +{ + return container_of(c, struct imx_tve, connector); +} + static inline struct imx_tve *enc_to_tve(struct drm_encoder *e) { return container_of(e, struct imx_tve, encoder); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 2791ef070e2e..08e188bc10fc 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -46,7 +46,10 @@ struct ipu_crtc { int irq; }; -#define to_ipu_crtc(x) container_of(x, struct ipu_crtc, base) +static inline struct ipu_crtc *to_ipu_crtc(struct drm_crtc *crtc) +{ + return container_of(crtc, struct ipu_crtc, base); +} static void ipu_crtc_enable(struct drm_crtc *crtc) { diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 3f5f9566b152..4ad67d015ec7 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -23,7 +23,10 @@ #include "video/imx-ipu-v3.h" #include "ipuv3-plane.h" -#define to_ipu_plane(x) container_of(x, struct ipu_plane, base) +static inline struct ipu_plane *to_ipu_plane(struct drm_plane *p) +{ + return container_of(p, struct ipu_plane, base); +} static const uint32_t ipu_plane_formats[] = { DRM_FORMAT_ARGB1555, diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 9da60df5efa7..7b7bb3100831 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -26,8 +26,6 @@ #include "imx-drm.h" -#define con_to_imxpd(x) container_of(x, struct imx_parallel_display, connector) - struct imx_parallel_display { struct drm_connector connector; struct drm_encoder encoder; @@ -39,6 +37,11 @@ struct imx_parallel_display { struct drm_panel *panel; }; +static inline struct imx_parallel_display *con_to_imxpd(struct drm_connector *c) +{ + return container_of(c, struct imx_parallel_display, connector); +} + static inline struct imx_parallel_display *enc_to_imxpd(struct drm_encoder *e) { return container_of(e, struct imx_parallel_display, encoder); -- cgit v1.2.3 From 7075ba7942b80704588cc60bce945519b0302ced Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Thu, 16 Jun 2016 11:12:13 +0200 Subject: drm/imx: imx-ldb: check return code on panel attach Check the return code on panel attach. Avoids a kernel crash later on if the attach failed. Signed-off-by: Lucas Stach Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/imx-ldb.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 00d67b5407d8..5d2831dfb8b9 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -474,8 +474,12 @@ static int imx_ldb_register(struct drm_device *drm, drm_connector_init(drm, &imx_ldb_ch->connector, &imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - if (imx_ldb_ch->panel) - drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector); + if (imx_ldb_ch->panel) { + ret = drm_panel_attach(imx_ldb_ch->panel, + &imx_ldb_ch->connector); + if (ret) + return ret; + } drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, encoder); -- cgit v1.2.3 From ff615eed1141a9475559fdd60880a54b8cca9bf6 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Fri, 22 Jul 2016 10:25:09 +0200 Subject: drm/imx: imx-ldb: do not try to dereference crtc->state->state in encoder mode_set The code in imx_ldb_encoder_mode_set crashes with a NULL pointer dereference trying to access crtc->state->state, which was previously cleared by drm_atomic_helper_swap_state: Unable to handle kernel NULL pointer dereference at virtual address 00000010 pgd = ae08c000 [00000010] *pgd=3e00e831, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] PREEMPT SMP ARM Modules linked in: CPU: 1 PID: 102 Comm: kmsfb-manage Not tainted 4.7.0-rc5+ #232 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) task: ae058c40 ti: ae04e000 task.ti: ae04e000 PC is at imx_ldb_encoder_mode_set+0x138/0x2f8 LR is at 0xae881818 pc : [<8051a8c8>] lr : [] psr: 600f0013 sp : ae04fc70 ip : ae04fbb0 fp : ae04fcbc r10: ae8ea018 r9 : 00000000 r8 : ae246418 r7 : ae8ea010 r6 : ae8ea308 r5 : 00000000 r4 : 00000000 r3 : 00000000 r2 : 00000000 r1 : 00000110 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c5387d Table: 3e08c04a DAC: 00000051 Process kmsfb-manage (pid: 102, stack limit = 0xae04e210) Stack: (0xae04fc70 to 0xae050000) fc60: 043ce660 00000001 0000009e 043ce660 fc80: 00000002 00000000 00000000 af75cf50 00001009 ae23f440 00000001 ae246418 fca0: 8155a210 ae8ea308 8093c364 ae2464e0 ae04fcec ae04fcc0 804ef350 8051a79c fcc0: 00000004 00000004 ae23f440 af3f9000 ae881818 8155a210 af1af200 ae8ea020 fce0: ae04fd1c ae04fcf0 80519124 804ef060 ae04fd34 00000000 00000000 00000000 fd00: ae881818 ae23f440 80d4ec8c 00000000 ae04fd34 ae04fd20 804f00b4 80518fac fd20: ae23f440 00000000 ae04fd54 ae04fd38 804f2190 804f0074 ae23f440 af3f9000 fd40: ae04fdd4 ae881818 ae04fd6c ae04fd58 80516390 804f20f4 ae23f440 00000000 fd60: ae04fd8c ae04fd70 804f26f4 80516348 ae23a000 ae881818 00000001 af3f9000 fd80: ae04fdac ae04fd90 80502c58 804f2678 ae04fe50 ae23f400 00000001 af3f9000 fda0: ae04fe1c ae04fdb0 80507a1c 80502bf8 ae23a000 ae058c40 af1af200 ae23f400 fdc0: ae23a000 af3f9000 ae881818 ae23a00c 80176c7c ae23a000 ae881818 af1af200 fde0: 00000000 00000000 ae23f400 00000001 ae04fe1c 00000051 ae04fe50 8155a210 fe00: 80932060 c06864a2 af3f9000 ae246200 ae04fefc ae04fe20 804f9718 805074e8 fe20: ae04feac ae04fe30 80177360 8017631c 805074dc 00000068 00000068 00000062 fe40: 00000068 000000a2 ae04fe50 7ef29688 7ef29c40 00000000 00000001 00000018 fe60: 00000026 00000000 00000000 00000000 00000001 000115bc 05010500 05a0059f fe80: 03200000 03360321 00000337 0000003c 00000000 00000040 30383231 30303878 fea0: 00000000 00000000 00000000 00000000 00000000 00000000 00004000 aea6a140 fec0: 00000000 80d77b71 00000000 80283110 600f0013 7ef29688 af342bb0 ae250b40 fee0: 80275440 00000003 ae04e000 00000000 ae04ff7c ae04ff00 80274ac8 804f957c ff00: 80283128 80179030 00000000 00000000 80282fd8 ae1e0000 0000003d aea6a1d0 ff20: 00000002 00000003 00004000 007f8c60 c06864a2 7ef29688 ae04e000 00000000 ff40: ae04ff6c ae04ff50 80283260 80282fe4 00017050 ae250b41 00000003 ae250b40 ff60: c06864a2 7ef29688 ae04e000 00000000 ae04ffa4 ae04ff80 80275440 80274a20 ff80: 00017050 00000001 007f8c60 00000036 801088a4 ae04e000 00000000 ae04ffa8 ffa0: 80108700 80275408 00017050 00000001 00000003 c06864a2 7ef29688 000115bc ffc0: 00017050 00000001 007f8c60 00000036 00000003 00000000 00000026 00000018 ffe0: 00016f28 7ef29684 0000b7d9 76e4a1e6 400f0030 00000003 3ff7e861 3ff7ec61 Backtrace: [<8051a790>] (imx_ldb_encoder_mode_set) from [<804ef350>] (drm_atomic_helper_commit_modeset_disables+0x2fc/0x3f0) r10:ae2464e0 r9:8093c364 r8:ae8ea308 r7:8155a210 r6:ae246418 r5:00000001 r4:ae23f440 [<804ef054>] (drm_atomic_helper_commit_modeset_disables) from [<80519124>] (imx_drm_atomic_commit_tail+0x184/0x1e0) r10:ae8ea020 r9:af1af200 r8:8155a210 r7:ae881818 r6:af3f9000 r5:ae23f440 r4:00000004 r3:00000004 [<80518fa0>] (imx_drm_atomic_commit_tail) from [<804f00b4>] (commit_tail+0x4c/0x68) r6:00000000 r5:80d4ec8c r4:ae23f440 [<804f0068>] (commit_tail) from [<804f2190>] (drm_atomic_helper_commit+0xa8/0xd4) r5:00000000 r4:ae23f440 [<804f20e8>] (drm_atomic_helper_commit) from [<80516390>] (drm_atomic_commit+0x54/0x74) r7:ae881818 r6:ae04fdd4 r5:af3f9000 r4:ae23f440 [<8051633c>] (drm_atomic_commit) from [<804f26f4>] (drm_atomic_helper_set_config+0x88/0xac) r5:00000000 r4:ae23f440 [<804f266c>] (drm_atomic_helper_set_config) from [<80502c58>] (drm_mode_set_config_internal+0x6c/0xf4) r7:af3f9000 r6:00000001 r5:ae881818 r4:ae23a000 [<80502bec>] (drm_mode_set_config_internal) from [<80507a1c>] (drm_mode_setcrtc+0x540/0x5b8) r7:af3f9000 r6:00000001 r5:ae23f400 r4:ae04fe50 [<805074dc>] (drm_mode_setcrtc) from [<804f9718>] (drm_ioctl+0x1a8/0x46c) r10:ae246200 r9:af3f9000 r8:c06864a2 r7:80932060 r6:8155a210 r5:ae04fe50 r4:00000051 [<804f9570>] (drm_ioctl) from [<80274ac8>] (do_vfs_ioctl+0xb4/0x9e8) r10:00000000 r9:ae04e000 r8:00000003 r7:80275440 r6:ae250b40 r5:af342bb0 r4:7ef29688 [<80274a14>] (do_vfs_ioctl) from [<80275440>] (SyS_ioctl+0x44/0x6c) r10:00000000 r9:ae04e000 r8:7ef29688 r7:c06864a2 r6:ae250b40 r5:00000003 r4:ae250b41 [<802753fc>] (SyS_ioctl) from [<80108700>] (ret_fast_syscall+0x0/0x1c) r9:ae04e000 r8:801088a4 r7:00000036 r6:007f8c60 r5:00000001 r4:00017050 Code: 1a000018 e596e034 e59e3368 e59331bc (e5930010) ---[ end trace 464e7d3c7f4b9706 ]--- Instead of trying to walk only the connectors in atomic state to which we don't have access, just walk all connectors to find one connected to the current encoder and containing a bus_format description. Fixes: 49f98bc4d44a4 ("drm/imx: store internal bus configuration in crtc state") Signed-off-by: Philipp Zabel Acked-by: Liu Ying --- drivers/gpu/drm/imx/imx-ldb.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/imx/imx-ldb.c') diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 5d2831dfb8b9..b03919ed60ba 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -297,15 +297,12 @@ static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, } if (!bus_format) { - struct drm_connector_state *conn_state; struct drm_connector *connector; - int i; - for_each_connector_in_state(encoder->crtc->state->state, - connector, conn_state, i) { + drm_for_each_connector(connector, encoder->dev) { struct drm_display_info *di = &connector->display_info; - if (conn_state->crtc == encoder->crtc && + if (connector->encoder == encoder && di->num_bus_formats) { bus_format = di->bus_formats[0]; break; -- cgit v1.2.3