[PATCH 1/3] drm/msm/dpu: enable writeback on SDM845

[Dmitry Baryshkov]

Enable WB2 hardware block, enabling writeback support on this platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 .../drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h | 18 ++++++++++++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c |  6 ++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h
index 88a5177dfdb7..14ea173dc986 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h
@@ -34,6 +34,7 @@ static const struct dpu_mdp_cfg sdm845_mdp = {
 		[DPU_CLK_CTRL_DMA1] = { .reg_off = 0x2b4, .bit_off = 8 },
 		[DPU_CLK_CTRL_DMA2] = { .reg_off = 0x2bc, .bit_off = 8 },
 		[DPU_CLK_CTRL_DMA3] = { .reg_off = 0x2c4, .bit_off = 8 },
+		[DPU_CLK_CTRL_WB2] = { .reg_off = 0x3b8, .bit_off = 24 },
 	},
 };
 
@@ -251,6 +252,21 @@ static const struct dpu_dsc_cfg sdm845_dsc[] = {
 	},
 };
 
+static const struct dpu_wb_cfg sdm845_wb[] = {
+	{
+		.name = "wb_2", .id = WB_2,
+		.base = 0x65000, .len = 0x2c8,
+		.features = WB_SDM845_MASK,
+		.format_list = wb2_formats,
+		.num_formats = ARRAY_SIZE(wb2_formats),
+		.clk_ctrl = DPU_CLK_CTRL_WB2,
+		.xin_id = 6,
+		.vbif_idx = VBIF_RT,
+		.maxlinewidth = 4096,
+		.intr_wb_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 4),
+	},
+};
+
 static const struct dpu_intf_cfg sdm845_intf[] = {
 	{
 		.name = "intf_0", .id = INTF_0,
@@ -348,6 +364,8 @@ const struct dpu_mdss_cfg dpu_sdm845_cfg = {
 	.pingpong = sdm845_pp,
 	.dsc_count = ARRAY_SIZE(sdm845_dsc),
 	.dsc = sdm845_dsc,
+	.wb_count = ARRAY_SIZE(sdm845_wb),
+	.wb = sdm845_wb,
 	.intf_count = ARRAY_SIZE(sdm845_intf),
 	.intf = sdm845_intf,
 	.vbif_count = ARRAY_SIZE(sdm845_vbif),
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index 713dfc079718..cd86294d5818 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -106,14 +106,16 @@
 
 #define INTF_SC7280_MASK (INTF_SC7180_MASK)
 
-#define WB_SM8250_MASK (BIT(DPU_WB_LINE_MODE) | \
+#define WB_SDM845_MASK (BIT(DPU_WB_LINE_MODE) | \
 			 BIT(DPU_WB_UBWC) | \
 			 BIT(DPU_WB_YUV_CONFIG) | \
 			 BIT(DPU_WB_PIPE_ALPHA) | \
 			 BIT(DPU_WB_XY_ROI_OFFSET) | \
 			 BIT(DPU_WB_QOS) | \
 			 BIT(DPU_WB_QOS_8LVL) | \
-			 BIT(DPU_WB_CDP) | \
+			 BIT(DPU_WB_CDP))
+
+#define WB_SM8250_MASK (WB_SDM845_MASK | \
 			 BIT(DPU_WB_INPUT_CTRL))
 
 #define DEFAULT_PIXEL_RAM_SIZE		(50 * 1024)
-- 
2.39.2