[PATCH 3/5] drm/i915: Enable 10bpc + CCS on ICL

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

ICL supports 10bpc compressed scanout. Enable it.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_fb.c       |  8 +++
 .../drm/i915/display/skl_universal_plane.c    | 65 +++++++++++++++++++
 2 files changed, 73 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index 43d0574814a6..1376476b7d60 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -44,6 +44,14 @@ static const struct drm_format_info skl_ccs_formats[] = {
 	  .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, .has_alpha = true, },
 	{ .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2,
 	  .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, .has_alpha = true, },
+	{ .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 2,
+	  .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, },
+	{ .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 2,
+	  .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, },
+	{ .format = DRM_FORMAT_ARGB2101010, .depth = 32, .num_planes = 2,
+	  .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, .has_alpha = true, },
+	{ .format = DRM_FORMAT_ABGR2101010, .depth = 32, .num_planes = 2,
+	  .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, .has_alpha = true, },
 };
 
 /*
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 92e5db82cbd9..c80a89b71ef7 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -2301,6 +2301,60 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
 	}
 }
 
+static bool icl_plane_format_mod_supported(struct drm_plane *_plane,
+					   u32 format, u64 modifier)
+{
+	struct intel_plane *plane = to_intel_plane(_plane);
+
+	if (!intel_fb_plane_supports_modifier(plane, modifier))
+		return false;
+
+	switch (format) {
+	case DRM_FORMAT_XRGB8888:
+	case DRM_FORMAT_XBGR8888:
+	case DRM_FORMAT_ARGB8888:
+	case DRM_FORMAT_ABGR8888:
+	case DRM_FORMAT_XRGB2101010:
+	case DRM_FORMAT_XBGR2101010:
+	case DRM_FORMAT_ARGB2101010:
+	case DRM_FORMAT_ABGR2101010:
+		if (intel_fb_is_ccs_modifier(modifier))
+			return true;
+		fallthrough;
+	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_YUYV:
+	case DRM_FORMAT_YVYU:
+	case DRM_FORMAT_UYVY:
+	case DRM_FORMAT_VYUY:
+	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_XYUV8888:
+	case DRM_FORMAT_P010:
+	case DRM_FORMAT_P012:
+	case DRM_FORMAT_P016:
+	case DRM_FORMAT_XVYU2101010:
+		if (modifier == I915_FORMAT_MOD_Yf_TILED)
+			return true;
+		fallthrough;
+	case DRM_FORMAT_C8:
+	case DRM_FORMAT_XBGR16161616F:
+	case DRM_FORMAT_ABGR16161616F:
+	case DRM_FORMAT_XRGB16161616F:
+	case DRM_FORMAT_ARGB16161616F:
+	case DRM_FORMAT_Y210:
+	case DRM_FORMAT_Y212:
+	case DRM_FORMAT_Y216:
+	case DRM_FORMAT_XVYU12_16161616:
+	case DRM_FORMAT_XVYU16161616:
+		if (modifier == DRM_FORMAT_MOD_LINEAR ||
+		    modifier == I915_FORMAT_MOD_X_TILED ||
+		    modifier == I915_FORMAT_MOD_Y_TILED)
+			return true;
+		fallthrough;
+	default:
+		return false;
+	}
+}
+
 static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
 					     u32 format, u64 modifier)
 {
@@ -2362,6 +2416,15 @@ static const struct drm_plane_funcs skl_plane_funcs = {
 	.format_mod_supported = skl_plane_format_mod_supported,
 };
 
+static const struct drm_plane_funcs icl_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = intel_plane_destroy,
+	.atomic_duplicate_state = intel_plane_duplicate_state,
+	.atomic_destroy_state = intel_plane_destroy_state,
+	.format_mod_supported = icl_plane_format_mod_supported,
+};
+
 static const struct drm_plane_funcs gen12_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
@@ -2538,6 +2601,8 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 
 	if (DISPLAY_VER(dev_priv) >= 12)
 		plane_funcs = &gen12_plane_funcs;
+	else if (DISPLAY_VER(dev_priv) == 11)
+		plane_funcs = &icl_plane_funcs;
 	else
 		plane_funcs = &skl_plane_funcs;
 
-- 
2.44.2