diff options
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c | 41 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hwio.h | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 12 |
4 files changed, 72 insertions, 6 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c index 6e2ac50b94a4..0f40eea7f5e2 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c @@ -2,6 +2,8 @@ /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. */ +#include <linux/bitfield.h> + #include <drm/drm_managed.h> #include "dpu_hwio.h" @@ -231,8 +233,38 @@ static void dpu_hw_intf_audio_select(struct dpu_hw_mdp *mdp) DPU_REG_WRITE(c, HDMI_DP_CORE_SELECT, 0x1); } +static void dpu_hw_dp_phy_intf_sel(struct dpu_hw_mdp *mdp, + enum dpu_dp_phy_sel phys[2]) +{ + struct dpu_hw_blk_reg_map *c = &mdp->hw; + unsigned int intf; + u32 sel = 0; + + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_INTF0, phys[0]); + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_INTF1, phys[1]); + + for (intf = 0; intf < 2; intf++) { + switch (phys[intf]) { + case DPU_DP_PHY_0: + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_PHY0, intf + 1); + break; + case DPU_DP_PHY_1: + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_PHY1, intf + 1); + break; + case DPU_DP_PHY_2: + sel |= FIELD_PREP(MDP_DP_PHY_INTF_SEL_PHY2, intf + 1); + break; + default: + /* ignore */ + break; + } + } + + DPU_REG_WRITE(c, MDP_DP_PHY_INTF_SEL, sel); +} + static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops, - unsigned long cap) + unsigned long cap, const struct dpu_mdss_version *mdss_rev) { ops->setup_split_pipe = dpu_hw_setup_split_pipe; ops->setup_clk_force_ctrl = dpu_hw_setup_clk_force_ctrl; @@ -245,6 +277,9 @@ static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops, ops->get_safe_status = dpu_hw_get_safe_status; + if (mdss_rev->core_major_ver >= 5) + ops->dp_phy_intf_sel = dpu_hw_dp_phy_intf_sel; + if (cap & BIT(DPU_MDP_AUDIO_SELECT)) ops->intf_audio_select = dpu_hw_intf_audio_select; } @@ -252,7 +287,7 @@ static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops, struct dpu_hw_mdp *dpu_hw_mdptop_init(struct drm_device *dev, const struct dpu_mdp_cfg *cfg, void __iomem *addr, - const struct dpu_mdss_cfg *m) + const struct dpu_mdss_version *mdss_rev) { struct dpu_hw_mdp *mdp; @@ -270,7 +305,7 @@ struct dpu_hw_mdp *dpu_hw_mdptop_init(struct drm_device *dev, * Assign ops */ mdp->caps = cfg; - _setup_mdp_ops(&mdp->ops, mdp->caps->features); + _setup_mdp_ops(&mdp->ops, mdp->caps->features, mdss_rev); return mdp; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h index 5c9a7ede991e..f1ab9fd106e5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h @@ -67,6 +67,13 @@ struct dpu_vsync_source_cfg { enum dpu_vsync_source vsync_source; }; +enum dpu_dp_phy_sel { + DPU_DP_PHY_NONE, + DPU_DP_PHY_0, + DPU_DP_PHY_1, + DPU_DP_PHY_2, +}; + /** * struct dpu_hw_mdp_ops - interface to the MDP TOP Hw driver functions * Assumption is these functions will be called after clocks are enabled. @@ -126,6 +133,13 @@ struct dpu_hw_mdp_ops { struct dpu_danger_safe_status *status); /** + * dp_phy_intf_sel - configure intf to phy mapping + * @mdp: mdp top context driver + * @phys: list of phys the DP interfaces should be connected to. 0 disables the INTF. + */ + void (*dp_phy_intf_sel)(struct dpu_hw_mdp *mdp, enum dpu_dp_phy_sel phys[2]); + + /** * intf_audio_select - select the external interface for audio * @mdp: mdp top context driver */ @@ -148,12 +162,12 @@ struct dpu_hw_mdp { * @dev: Corresponding device for devres management * @cfg: MDP TOP configuration from catalog * @addr: Mapped register io address of MDP - * @m: Pointer to mdss catalog data + * @mdss_rev: dpu core's major and minor versions */ struct dpu_hw_mdp *dpu_hw_mdptop_init(struct drm_device *dev, const struct dpu_mdp_cfg *cfg, void __iomem *addr, - const struct dpu_mdss_cfg *m); + const struct dpu_mdss_version *mdss_rev); void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hwio.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hwio.h index 5acd5683d25a..054fe097ebf8 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hwio.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hwio.h @@ -60,6 +60,13 @@ #define MDP_WD_TIMER_4_LOAD_VALUE 0x448 #define DCE_SEL 0x450 +#define MDP_DP_PHY_INTF_SEL 0x460 +#define MDP_DP_PHY_INTF_SEL_INTF0 GENMASK(2, 0) +#define MDP_DP_PHY_INTF_SEL_INTF1 GENMASK(5, 3) +#define MDP_DP_PHY_INTF_SEL_PHY0 GENMASK(8, 6) +#define MDP_DP_PHY_INTF_SEL_PHY1 GENMASK(11, 9) +#define MDP_DP_PHY_INTF_SEL_PHY2 GENMASK(14, 12) + #define MDP_PERIPH_TOP0 MDP_WD_TIMER_0_CTL #define MDP_PERIPH_TOP0_END CLK_CTRL3 diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index d1e2143110f2..9bcae53c4f45 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1146,7 +1146,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms) dpu_kms->hw_mdp = dpu_hw_mdptop_init(dev, dpu_kms->catalog->mdp, dpu_kms->mmio, - dpu_kms->catalog); + dpu_kms->catalog->mdss_ver); if (IS_ERR(dpu_kms->hw_mdp)) { rc = PTR_ERR(dpu_kms->hw_mdp); DPU_ERROR("failed to get hw_mdp: %d\n", rc); @@ -1181,6 +1181,16 @@ static int dpu_kms_hw_init(struct msm_kms *kms) goto err_pm_put; } + /* + * We need to program DP <-> PHY relationship only for SC8180X since it + * has fewer DP controllers than DP PHYs. + * If any other platform requires the same kind of programming, or if + * the INTF <->DP relationship isn't static anymore, this needs to be + * configured through the DT. + */ + if (of_device_is_compatible(dpu_kms->pdev->dev.of_node, "qcom,sc8180x-dpu")) + dpu_kms->hw_mdp->ops.dp_phy_intf_sel(dpu_kms->hw_mdp, (unsigned int[]){ 1, 2, }); + dpu_kms->hw_intr = dpu_hw_intr_init(dev, dpu_kms->mmio, dpu_kms->catalog); if (IS_ERR(dpu_kms->hw_intr)) { rc = PTR_ERR(dpu_kms->hw_intr); |