[PATCH v3 06/13] drm/msm/disp/dpu1: Add DSC support in hw_ctl

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Later gens of hardware have DSC bits moved to hw_ctl, so configure these
bits so that DSC would work there as well

Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 36831457a91b..66b0c44118d8 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -25,6 +25,8 @@
 #define   CTL_MERGE_3D_ACTIVE           0x0E4
 #define   CTL_INTF_ACTIVE               0x0F4
 #define   CTL_MERGE_3D_FLUSH            0x100
+#define   CTL_DSC_ACTIVE                0x0E8
+#define   CTL_DSC_FLUSH                0x104
 #define   CTL_INTF_FLUSH                0x110
 #define   CTL_INTF_MASTER               0x134
 #define   CTL_FETCH_PIPE_ACTIVE         0x0FC
@@ -34,6 +36,7 @@
 
 #define DPU_REG_RESET_TIMEOUT_US        2000
 #define  MERGE_3D_IDX   23
+#define  DSC_IDX        22
 #define  INTF_IDX       31
 #define CTL_INVALID_BIT                 0xffff
 
@@ -120,7 +123,6 @@ static u32 dpu_hw_ctl_get_pending_flush(struct dpu_hw_ctl *ctx)
 
 static inline void dpu_hw_ctl_trigger_flush_v1(struct dpu_hw_ctl *ctx)
 {
-
 	if (ctx->pending_flush_mask & BIT(MERGE_3D_IDX))
 		DPU_REG_WRITE(&ctx->hw, CTL_MERGE_3D_FLUSH,
 				ctx->pending_merge_3d_flush_mask);
@@ -498,6 +500,9 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
 	u32 intf_active = 0;
 	u32 mode_sel = 0;
 
+	if (cfg->dsc)
+		DPU_REG_WRITE(&ctx->hw, CTL_DSC_FLUSH, cfg->dsc);
+
 	if (cfg->intf_mode_sel == DPU_CTL_MODE_SEL_CMD)
 		mode_sel |= BIT(17);
 
@@ -509,6 +514,10 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
 	if (cfg->merge_3d)
 		DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
 			      BIT(cfg->merge_3d - MERGE_3D_0));
+	if (cfg->dsc) {
+		DPU_REG_WRITE(&ctx->hw, CTL_FLUSH, cfg->dsc);
+		DPU_REG_WRITE(c, CTL_DSC_ACTIVE, cfg->dsc);
+	}
 }
 
 static void dpu_hw_ctl_intf_cfg(struct dpu_hw_ctl *ctx,
-- 
2.31.1




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