diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 114 |
1 files changed, 75 insertions, 39 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 95b373f739f2..4df39112e38e 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -30,6 +30,7 @@ struct tegra_dc_soc_info { bool supports_block_linear; unsigned int pitch_align; bool has_powergate; + bool broken_reset; }; struct tegra_plane { @@ -485,12 +486,25 @@ static int tegra_plane_state_add(struct tegra_plane *plane, { struct drm_crtc_state *crtc_state; struct tegra_dc_state *tegra; + struct drm_rect clip; + int err; /* Propagate errors from allocation or locking failures. */ crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); + clip.x1 = 0; + clip.y1 = 0; + clip.x2 = crtc_state->mode.hdisplay; + clip.y2 = crtc_state->mode.vdisplay; + + /* Check plane state for visibility and calculate clipping bounds */ + err = drm_plane_helper_check_state(state, &clip, 0, INT_MAX, + true, true); + if (err < 0) + return err; + tegra = to_dc_state(crtc_state); tegra->planes |= WIN_A_ACT_REQ << plane->index; @@ -545,6 +559,23 @@ static int tegra_plane_atomic_check(struct drm_plane *plane, return 0; } +static void tegra_dc_disable_window(struct tegra_dc *dc, int index) +{ + unsigned long flags; + u32 value; + + spin_lock_irqsave(&dc->lock, flags); + + value = WINDOW_A_SELECT << index; + tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER); + + value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS); + value &= ~WIN_ENABLE; + tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS); + + spin_unlock_irqrestore(&dc->lock, flags); +} + static void tegra_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { @@ -559,15 +590,18 @@ static void tegra_plane_atomic_update(struct drm_plane *plane, if (!plane->state->crtc || !plane->state->fb) return; + if (!plane->state->visible) + return tegra_dc_disable_window(dc, p->index); + memset(&window, 0, sizeof(window)); - window.src.x = plane->state->src_x >> 16; - window.src.y = plane->state->src_y >> 16; - window.src.w = plane->state->src_w >> 16; - window.src.h = plane->state->src_h >> 16; - window.dst.x = plane->state->crtc_x; - window.dst.y = plane->state->crtc_y; - window.dst.w = plane->state->crtc_w; - window.dst.h = plane->state->crtc_h; + window.src.x = plane->state->src.x1 >> 16; + window.src.y = plane->state->src.y1 >> 16; + window.src.w = drm_rect_width(&plane->state->src) >> 16; + window.src.h = drm_rect_height(&plane->state->src) >> 16; + window.dst.x = plane->state->dst.x1; + window.dst.y = plane->state->dst.y1; + window.dst.w = drm_rect_width(&plane->state->dst); + window.dst.h = drm_rect_height(&plane->state->dst); window.bits_per_pixel = fb->format->cpp[0] * 8; window.bottom_up = tegra_fb_is_bottom_up(fb); @@ -598,8 +632,6 @@ static void tegra_plane_atomic_disable(struct drm_plane *plane, { struct tegra_plane *p = to_tegra_plane(plane); struct tegra_dc *dc; - unsigned long flags; - u32 value; /* rien ne va plus */ if (!old_state || !old_state->crtc) @@ -607,16 +639,7 @@ static void tegra_plane_atomic_disable(struct drm_plane *plane, dc = to_tegra_dc(old_state->crtc); - spin_lock_irqsave(&dc->lock, flags); - - value = WINDOW_A_SELECT << p->index; - tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER); - - value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS); - value &= ~WIN_ENABLE; - tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS); - - spin_unlock_irqrestore(&dc->lock, flags); + tegra_dc_disable_window(dc, p->index); } static const struct drm_plane_helper_funcs tegra_primary_plane_helper_funcs = { @@ -655,8 +678,8 @@ static struct drm_plane *tegra_dc_primary_plane_create(struct drm_device *drm, err = drm_universal_plane_init(drm, &plane->base, possible_crtcs, &tegra_primary_plane_funcs, formats, - num_formats, DRM_PLANE_TYPE_PRIMARY, - NULL); + num_formats, NULL, + DRM_PLANE_TYPE_PRIMARY, NULL); if (err < 0) { kfree(plane); return ERR_PTR(err); @@ -821,8 +844,8 @@ static struct drm_plane *tegra_dc_cursor_plane_create(struct drm_device *drm, err = drm_universal_plane_init(drm, &plane->base, 1 << dc->pipe, &tegra_cursor_plane_funcs, formats, - num_formats, DRM_PLANE_TYPE_CURSOR, - NULL); + num_formats, NULL, + DRM_PLANE_TYPE_CURSOR, NULL); if (err < 0) { kfree(plane); return ERR_PTR(err); @@ -883,8 +906,8 @@ static struct drm_plane *tegra_dc_overlay_plane_create(struct drm_device *drm, err = drm_universal_plane_init(drm, &plane->base, 1 << dc->pipe, &tegra_overlay_plane_funcs, formats, - num_formats, DRM_PLANE_TYPE_OVERLAY, - NULL); + num_formats, NULL, + DRM_PLANE_TYPE_OVERLAY, NULL); if (err < 0) { kfree(plane); return ERR_PTR(err); @@ -1176,7 +1199,8 @@ static int tegra_dc_wait_idle(struct tegra_dc *dc, unsigned long timeout) return -ETIMEDOUT; } -static void tegra_crtc_disable(struct drm_crtc *crtc) +static void tegra_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct tegra_dc *dc = to_tegra_dc(crtc); u32 value; @@ -1220,7 +1244,8 @@ static void tegra_crtc_disable(struct drm_crtc *crtc) pm_runtime_put_sync(dc->dev); } -static void tegra_crtc_enable(struct drm_crtc *crtc) +static void tegra_crtc_atomic_enable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) { struct drm_display_mode *mode = &crtc->state->adjusted_mode; struct tegra_dc_state *state = to_dc_state(crtc->state); @@ -1328,11 +1353,11 @@ static void tegra_crtc_atomic_flush(struct drm_crtc *crtc, } static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = { - .disable = tegra_crtc_disable, - .enable = tegra_crtc_enable, .atomic_check = tegra_crtc_atomic_check, .atomic_begin = tegra_crtc_atomic_begin, .atomic_flush = tegra_crtc_atomic_flush, + .atomic_enable = tegra_crtc_atomic_enable, + .atomic_disable = tegra_crtc_atomic_disable, }; static irqreturn_t tegra_dc_irq(int irq, void *data) @@ -1856,6 +1881,7 @@ static const struct tegra_dc_soc_info tegra20_dc_soc_info = { .supports_block_linear = false, .pitch_align = 8, .has_powergate = false, + .broken_reset = true, }; static const struct tegra_dc_soc_info tegra30_dc_soc_info = { @@ -1865,6 +1891,7 @@ static const struct tegra_dc_soc_info tegra30_dc_soc_info = { .supports_block_linear = false, .pitch_align = 8, .has_powergate = false, + .broken_reset = false, }; static const struct tegra_dc_soc_info tegra114_dc_soc_info = { @@ -1874,6 +1901,7 @@ static const struct tegra_dc_soc_info tegra114_dc_soc_info = { .supports_block_linear = false, .pitch_align = 64, .has_powergate = true, + .broken_reset = false, }; static const struct tegra_dc_soc_info tegra124_dc_soc_info = { @@ -1883,6 +1911,7 @@ static const struct tegra_dc_soc_info tegra124_dc_soc_info = { .supports_block_linear = true, .pitch_align = 64, .has_powergate = true, + .broken_reset = false, }; static const struct tegra_dc_soc_info tegra210_dc_soc_info = { @@ -1892,6 +1921,7 @@ static const struct tegra_dc_soc_info tegra210_dc_soc_info = { .supports_block_linear = true, .pitch_align = 64, .has_powergate = true, + .broken_reset = false, }; static const struct of_device_id tegra_dc_of_match[] = { @@ -1989,7 +2019,8 @@ static int tegra_dc_probe(struct platform_device *pdev) return PTR_ERR(dc->rst); } - reset_control_assert(dc->rst); + if (!dc->soc->broken_reset) + reset_control_assert(dc->rst); if (dc->soc->has_powergate) { if (dc->pipe == 0) @@ -2063,10 +2094,12 @@ static int tegra_dc_suspend(struct device *dev) struct tegra_dc *dc = dev_get_drvdata(dev); int err; - err = reset_control_assert(dc->rst); - if (err < 0) { - dev_err(dev, "failed to assert reset: %d\n", err); - return err; + if (!dc->soc->broken_reset) { + err = reset_control_assert(dc->rst); + if (err < 0) { + dev_err(dev, "failed to assert reset: %d\n", err); + return err; + } } if (dc->soc->has_powergate) @@ -2096,10 +2129,13 @@ static int tegra_dc_resume(struct device *dev) return err; } - err = reset_control_deassert(dc->rst); - if (err < 0) { - dev_err(dev, "failed to deassert reset: %d\n", err); - return err; + if (!dc->soc->broken_reset) { + err = reset_control_deassert(dc->rst); + if (err < 0) { + dev_err(dev, + "failed to deassert reset: %d\n", err); + return err; + } } } |