disp: msm: sde: add WB rotation output color formats

MDSS 10.0.0 HW supports rotation of input image with
writeback HW but output color formats are restricted to
32 bit uncompressed A5X tile formats. This change exposes
the supported WB output color formats to client for WB
rotation usecase.

Change-Id: Ic52e6ee4ab882b7dad6edd0daa91b593afbcae01
Signed-off-by: Prabhanjan Kandula <[email protected]>

msm/sde/sde_hw_catalog.c

@@ -2550,8 +2550,10 @@ static int sde_wb_parse_dt(struct device_node *np, struct sde_mdss_cfg *sde_cfg)
 					sde_cfg->mdp[0].clk_ctrls[wb->clk_ctrl].bit_off);
 		}
 
-		if (test_bit(SDE_FEATURE_WB_ROTATION, sde_cfg->features))
+		if (test_bit(SDE_FEATURE_WB_ROTATION, sde_cfg->features)) {
 			set_bit(SDE_WB_LINEAR_ROTATION, &wb->features);
+			wb->rot_format_list = sde_cfg->wb_rot_formats;
+		}
 
 		wb->format_list = sde_cfg->wb_formats;
 	}
@@ -4668,7 +4670,7 @@ static int sde_hardware_format_caps(struct sde_mdss_cfg *sde_cfg,
 	uint32_t hw_rev)
 {
 	int rc = 0;
-	uint32_t dma_list_size, vig_list_size, wb2_list_size;
+	uint32_t dma_list_size, vig_list_size, wb2_list_size, wb_rot_fmt_list_size;
 	uint32_t virt_vig_list_size, in_rot_list_size = 0;
 	uint32_t index = 0;
 	uint32_t in_rot_restricted_list_size = 0;
@@ -4749,6 +4751,18 @@ static int sde_hardware_format_caps(struct sde_mdss_cfg *sde_cfg,
 	index = sde_copy_formats(sde_cfg->wb_formats, wb2_list_size,
 			0, wb2_formats, ARRAY_SIZE(wb2_formats));
 
+	/* WB rotation output formats */
+	wb_rot_fmt_list_size = ARRAY_SIZE(wb_rot_formats);
+	sde_cfg->wb_rot_formats = kcalloc(wb_rot_fmt_list_size,
+			sizeof(struct sde_format_extended), GFP_KERNEL);
+	if (!sde_cfg->wb_rot_formats) {
+		rc = -ENOMEM;
+		goto free_wb;
+	}
+
+	index = sde_copy_formats(sde_cfg->wb_rot_formats, wb_rot_fmt_list_size,
+			0, wb_rot_formats, ARRAY_SIZE(wb_rot_formats));
+
 	/* Rotation enabled input formats */
 	if (IS_SDE_INLINE_ROT_REV_100(sde_cfg->true_inline_rot_rev)) {
 		inline_fmt_tbl = true_inline_rot_v1_fmts;
@@ -4769,7 +4783,7 @@ static int sde_hardware_format_caps(struct sde_mdss_cfg *sde_cfg,
 		if (!sde_cfg->inline_rot_formats) {
 			SDE_ERROR("failed to alloc inline rot format list\n");
 			rc = -ENOMEM;
-			goto free_wb;
+			goto free_wb_rot;
 		}
 
 		index = sde_copy_formats(sde_cfg->inline_rot_formats,
@@ -4793,6 +4807,8 @@ static int sde_hardware_format_caps(struct sde_mdss_cfg *sde_cfg,
 	return 0;
 free_in_rot:
 	kfree(sde_cfg->inline_rot_formats);
+free_wb_rot:
+	kfree(sde_cfg->wb_rot_formats);
 free_wb:
 	kfree(sde_cfg->wb_formats);
 free_virt:
@@ -5421,6 +5437,7 @@ void sde_hw_catalog_deinit(struct sde_mdss_cfg *sde_cfg)
 	kfree(sde_cfg->dma_formats);
 	kfree(sde_cfg->vig_formats);
 	kfree(sde_cfg->wb_formats);
+	kfree(sde_cfg->wb_rot_formats);
 	kfree(sde_cfg->virt_vig_formats);
 	kfree(sde_cfg->inline_rot_formats);
 

msm/sde/sde_hw_catalog.h

@@ -1487,7 +1487,8 @@ struct sde_intf_cfg  {
  * @base               register offset of this block
  * @features           bit mask identifying sub-blocks/features
  * @sblk               sub-block information
- * @format_list: Pointer to list of supported formats
+ * @format_list:       Pointer to list of supported output formats
+ * @rot_format_list:   Pointer to list of supported output formats in WB rotation
  * @vbif_idx           vbif identifier
  * @xin_id             client interface identifier
  * @clk_ctrl           clock control identifier
@@ -1496,6 +1497,7 @@ struct sde_wb_cfg {
 	SDE_HW_BLK_INFO;
 	const struct sde_wb_sub_blocks *sblk;
 	const struct sde_format_extended *format_list;
+	const struct sde_format_extended *rot_format_list;
 	u32 vbif_idx;
 	u32 xin_id;
 	enum sde_clk_ctrl_type clk_ctrl;
@@ -1867,6 +1869,7 @@ struct sde_perf_cfg {
  * @dma_formats         supported formats for dma pipe
  * @vig_formats         supported formats for vig pipe
  * @wb_formats          supported formats for wb
+ * @wb_rot_formats      supported output formats for wb rotation operation
  * @virt_vig_formats    supported formats for virtual vig pipe
  * @inline_rot_formats  supported formats for inline rotation
  * @inline_rot_restricted_formats       restricted formats for inline rotation
@@ -1985,6 +1988,7 @@ struct sde_mdss_cfg {
 	struct sde_format_extended *dma_formats;
 	struct sde_format_extended *vig_formats;
 	struct sde_format_extended *wb_formats;
+	struct sde_format_extended *wb_rot_formats;
 	struct sde_format_extended *virt_vig_formats;
 	struct sde_format_extended *inline_rot_formats;
 	struct sde_format_extended *inline_rot_restricted_formats;

msm/sde/sde_hw_catalog_format.h

@@ -94,6 +94,10 @@ static const struct sde_format_extended wb2_formats[] = {
 	{DRM_FORMAT_ARGB8888, 0},
 	{DRM_FORMAT_RGBA8888, 0},
 	{DRM_FORMAT_ABGR8888, DRM_FORMAT_MOD_QCOM_COMPRESSED},
+	{DRM_FORMAT_ABGR8888, DRM_FORMAT_MOD_QCOM_TILE},
+	{DRM_FORMAT_XBGR8888, DRM_FORMAT_MOD_QCOM_TILE},
+	{DRM_FORMAT_ABGR2101010, DRM_FORMAT_MOD_QCOM_TILE},
+	{DRM_FORMAT_XBGR2101010, DRM_FORMAT_MOD_QCOM_TILE},
 	{DRM_FORMAT_XRGB8888, 0},
 	{DRM_FORMAT_RGBX8888, 0},
 	{DRM_FORMAT_XBGR8888, DRM_FORMAT_MOD_QCOM_COMPRESSED},
@@ -131,6 +135,14 @@ static const struct sde_format_extended wb2_formats[] = {
 	{0, 0},
 };
 
+static const struct sde_format_extended wb_rot_formats[] = {
+	{DRM_FORMAT_ABGR8888, DRM_FORMAT_MOD_QCOM_TILE},
+	{DRM_FORMAT_XBGR8888, DRM_FORMAT_MOD_QCOM_TILE},
+	{DRM_FORMAT_ABGR2101010, DRM_FORMAT_MOD_QCOM_TILE},
+	{DRM_FORMAT_XBGR2101010, DRM_FORMAT_MOD_QCOM_TILE},
+	{0, 0},
+};
+
 static const struct sde_format_extended p010_ubwc_formats[] = {
 	P010_UBWC_FMTS,
 };

msm/sde/sde_wb.c

@@ -532,6 +532,18 @@ int sde_wb_connector_set_info_blob(struct drm_connector *connector,
 		sde_kms_info_stop(info);
 	}
 
+	/* Populate info buffer with WB rotation output formats */
+	format_list = wb_dev->wb_cfg->rot_format_list;
+	if (format_list) {
+		sde_kms_info_start(info, "rot_output_formats");
+		while (format_list->fourcc_format) {
+			sde_kms_info_append_format(info, format_list->fourcc_format,
+					format_list->modifier);
+			++format_list;
+		}
+		sde_kms_info_stop(info);
+	}
+
 	sde_kms_info_add_keyint(info, "wb_intf_index", wb_dev->wb_idx - WB_0);
 	sde_kms_info_add_keyint(info, "maxlinewidth", wb_dev->wb_cfg->sblk->maxlinewidth);
 	sde_kms_info_add_keyint(info, "maxlinewidth_linear",