disp: msm: sde: add rotation and scaling check for max linewidth

Add scaling linewidth variable and logic changes to get
valid max linewidth values for inline rotation and scaling.
Modify linewidth check to compare with scaler source width.

Change-Id: I7c63175e568ecb524f9cdf8ada1d7c6fdc999236
Signed-off-by: Thomas Dedinsky <[email protected]>

msm/sde/sde_hw_catalog.c

@@ -173,6 +173,7 @@ enum sde_prop {
 	SDE_LEN,
 	SSPP_LINEWIDTH,
 	VIG_SSPP_LINEWIDTH,
+	SCALING_LINEWIDTH,
 	MIXER_LINEWIDTH,
 	MIXER_BLEND,
 	WB_LINEWIDTH,
@@ -532,6 +533,7 @@ static struct sde_prop_type sde_prop[] = {
 	{SDE_LEN, "qcom,sde-len", false, PROP_TYPE_U32},
 	{SSPP_LINEWIDTH, "qcom,sde-sspp-linewidth", false, PROP_TYPE_U32},
 	{VIG_SSPP_LINEWIDTH, "qcom,sde-vig-sspp-linewidth", false, PROP_TYPE_U32},
+	{SCALING_LINEWIDTH, "qcom,sde-scaling-linewidth", false, PROP_TYPE_U32},
 	{MIXER_LINEWIDTH, "qcom,sde-mixer-linewidth", false, PROP_TYPE_U32},
 	{MIXER_BLEND, "qcom,sde-mixer-blendstages", false, PROP_TYPE_U32},
 	{WB_LINEWIDTH, "qcom,sde-wb-linewidth", false, PROP_TYPE_U32},
@@ -1412,6 +1414,7 @@ static int _sde_sspp_setup_vigs(struct device_node *np,
 			continue;
 
 		sblk->maxlinewidth = sde_cfg->vig_sspp_linewidth;
+		sblk->scaling_linewidth = sde_cfg->scaling_linewidth;
 		sblk->maxupscale = MAX_UPSCALE_RATIO;
 		sblk->maxdwnscale = MAX_DOWNSCALE_RATIO;
 		sspp->id = SSPP_VIG0 + vig_count;
@@ -3599,6 +3602,11 @@ static int _sde_parse_prop_check(struct sde_mdss_cfg *cfg,
 	if (!prop_exists[VIG_SSPP_LINEWIDTH])
 		cfg->vig_sspp_linewidth = cfg->max_sspp_linewidth;
 
+	cfg->scaling_linewidth = PROP_VALUE_ACCESS(prop_value,
+			SCALING_LINEWIDTH, 0);
+	if (!prop_exists[SCALING_LINEWIDTH])
+		cfg->scaling_linewidth = cfg->vig_sspp_linewidth;
+
 	cfg->max_mixer_width = PROP_VALUE_ACCESS(prop_value,
 			MIXER_LINEWIDTH, 0);
 	if (!prop_exists[MIXER_LINEWIDTH])

msm/sde/sde_hw_catalog.h

@@ -649,6 +649,8 @@ enum sde_qos_lut_usage {
 
 /**
  * struct sde_sspp_sub_blks : SSPP sub-blocks
+ * @maxlinewidth: max source pipe line width support
+ * @scaling_linewidth: max vig source pipe linewidth for scaling usecases
  * @maxdwnscale: max downscale ratio supported(without DECIMATION)
  * @maxupscale:  maxupscale ratio supported
  * @maxwidth:    max pixelwidth supported by this pipe
@@ -690,6 +692,7 @@ enum sde_qos_lut_usage {
  */
 struct sde_sspp_sub_blks {
 	u32 maxlinewidth;
+	u32 scaling_linewidth;
 	u32 creq_vblank;
 	u32 danger_vblank;
 	u32 pixel_ram_size;
@@ -1378,6 +1381,7 @@ struct sde_limit_cfg {
  *
  * @max_sspp_linewidth max source pipe line width support.
  * @vig_sspp_linewidth max vig source pipe line width support.
+ * @scaling_linewidth max vig source pipe linewidth for scaling usecases
  * @max_mixer_width    max layer mixer line width support.
  * @max_mixer_blendstages max layer mixer blend stages or
  *                       supported z order
@@ -1447,6 +1451,7 @@ struct sde_mdss_cfg {
 
 	u32 max_sspp_linewidth;
 	u32 vig_sspp_linewidth;
+	u32 scaling_linewidth;
 	u32 max_mixer_width;
 	u32 max_mixer_blendstages;
 	u32 max_wb_linewidth;

msm/sde/sde_plane.c

@@ -2414,7 +2414,13 @@ static int _sde_atomic_check_decimation_scaler(struct drm_plane_state *state,
 	}
 	sblk = psde->pipe_sblk;
 	max_upscale = sblk->maxupscale;
-	max_linewidth = sblk->maxlinewidth;
+
+	if (inline_rotation)
+		max_linewidth = sblk->in_rot_maxheight;
+	else if (scaler_src_w != state->crtc_w || scaler_src_h != state->crtc_h)
+		max_linewidth = sblk->scaling_linewidth;
+	else
+		max_linewidth = sblk->maxlinewidth;
 
 	crtc = state->crtc;
 	new_cstate = drm_atomic_get_new_crtc_state(state->state, crtc);
@@ -2443,11 +2449,11 @@ static int _sde_atomic_check_decimation_scaler(struct drm_plane_state *state,
 			src->w, src->h, dst->w, dst->h);
 		ret = -EINVAL;
 
-	/* check decimated source width */
-	} else if (src_deci_w > max_linewidth) {
+	/* check scaler source width */
+	} else if (scaler_src_w > max_linewidth) {
 		SDE_ERROR_PLANE(psde,
-				"invalid src w:%u, deci w:%u, line w:%u\n",
-				src->w, src_deci_w, max_linewidth);
+			"invalid src w:%u, scaler w:%u, line w:%u, rot: %d\n",
+			src->w, scaler_src_w, max_linewidth, inline_rotation);
 		ret = -E2BIG;
 
 	/* check max scaler capability */