drm/i915: Move intel_surf_alignment() into skl_univerals_plane.c

Now that all pre-skl platforms have their own .min_alignment()
functions the remainder of intel_surf_alignment() can be hoisted
into skl_univerals_plane.c (and renamed appropriately).

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240612204712.31404-8-ville.syrjala@linux.intel.com

3 files changed, 78 insertions, 80 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index 7f6a3de07cad..a11c1cf6f548 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -585,7 +585,7 @@ static bool is_gen12_ccs_cc_plane(const struct drm_framebuffer *fb, int color_pl
 	return intel_fb_rc_ccs_cc_plane(fb) == color_plane;
 }
 
-static bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane)
+bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane)
 {
 	return intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
 		color_plane == 1;
@@ -777,81 +777,6 @@ bool intel_fb_uses_dpt(const struct drm_framebuffer *fb)
 		intel_fb_modifier_uses_dpt(to_i915(fb->dev), fb->modifier);
 }
 
-unsigned int intel_surf_alignment(struct intel_plane *plane,
-				  const struct drm_framebuffer *fb,
-				  int color_plane)
-{
-	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
-
-	if (intel_fb_uses_dpt(fb)) {
-		/* AUX_DIST needs only 4K alignment */
-		if (intel_fb_is_ccs_aux_plane(fb, color_plane))
-			return 512 * 4096;
-
-		/*
-		 * FIXME ADL sees GGTT/DMAR faults with async
-		 * flips unless we align to 16k at least.
-		 * Figure out what's going on here...
-		 */
-		if (IS_ALDERLAKE_P(dev_priv) &&
-		    !intel_fb_is_ccs_modifier(fb->modifier) &&
-		    HAS_ASYNC_FLIPS(dev_priv))
-			return 512 * 16 * 1024;
-
-		return 512 * 4096;
-	}
-
-	/* AUX_DIST needs only 4K alignment */
-	if (intel_fb_is_ccs_aux_plane(fb, color_plane))
-		return 4096;
-
-	if (is_semiplanar_uv_plane(fb, color_plane)) {
-		/*
-		 * TODO: cross-check wrt. the bspec stride in bytes * 64 bytes
-		 * alignment for linear UV planes on all platforms.
-		 */
-		if (DISPLAY_VER(dev_priv) >= 12) {
-			if (fb->modifier == DRM_FORMAT_MOD_LINEAR)
-				return 256 * 1024;
-
-			return intel_tile_row_size(fb, color_plane);
-		}
-
-		return 4096;
-	}
-
-	drm_WARN_ON(&dev_priv->drm, color_plane != 0);
-
-	switch (fb->modifier) {
-	case DRM_FORMAT_MOD_LINEAR:
-		return 256 * 1024;
-	case I915_FORMAT_MOD_X_TILED:
-		if (HAS_ASYNC_FLIPS(dev_priv))
-			return 256 * 1024;
-		return 0;
-	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
-	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
-	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
-	case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS:
-	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS:
-	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC:
-		return 16 * 1024;
-	case I915_FORMAT_MOD_Y_TILED_CCS:
-	case I915_FORMAT_MOD_Yf_TILED_CCS:
-	case I915_FORMAT_MOD_Y_TILED:
-	case I915_FORMAT_MOD_4_TILED:
-	case I915_FORMAT_MOD_Yf_TILED:
-		return 1 * 1024 * 1024;
-	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
-	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
-	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
-		return 16 * 1024;
-	default:
-		MISSING_CASE(fb->modifier);
-		return 0;
-	}
-}
-
 void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
 				    const struct drm_framebuffer *fb,
 				    int color_plane)
diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h
index 16ebb573643f..1b1fef2dc39a 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.h
+++ b/drivers/gpu/drm/i915/display/intel_fb.h
@@ -34,6 +34,7 @@ bool intel_fb_is_ccs_modifier(u64 modifier);
 bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier);
 bool intel_fb_is_mc_ccs_modifier(u64 modifier);
 
+bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb, int color_plane);
 bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane);
 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);
 
@@ -60,9 +61,6 @@ unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane
 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
 				   int color_plane, unsigned int height);
-unsigned int intel_surf_alignment(struct intel_plane *plane,
-				  const struct drm_framebuffer *fb,
-				  int color_plane);
 
 void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
 				    const struct drm_framebuffer *fb,
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 7e4417459c41..d4c1db3fb9e3 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -503,6 +503,81 @@ skl_plane_max_stride(struct intel_plane *plane,
 				max_pixels, max_bytes);
 }
 
+static unsigned int skl_plane_min_alignment(struct intel_plane *plane,
+					    const struct drm_framebuffer *fb,
+					    int color_plane)
+{
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+
+	if (intel_fb_uses_dpt(fb)) {
+		/* AUX_DIST needs only 4K alignment */
+		if (intel_fb_is_ccs_aux_plane(fb, color_plane))
+			return 512 * 4096;
+
+		/*
+		 * FIXME ADL sees GGTT/DMAR faults with async
+		 * flips unless we align to 16k at least.
+		 * Figure out what's going on here...
+		 */
+		if (IS_ALDERLAKE_P(dev_priv) &&
+		    !intel_fb_is_ccs_modifier(fb->modifier) &&
+		    HAS_ASYNC_FLIPS(dev_priv))
+			return 512 * 16 * 1024;
+
+		return 512 * 4096;
+	}
+
+	/* AUX_DIST needs only 4K alignment */
+	if (intel_fb_is_ccs_aux_plane(fb, color_plane))
+		return 4096;
+
+	if (is_semiplanar_uv_plane(fb, color_plane)) {
+		/*
+		 * TODO: cross-check wrt. the bspec stride in bytes * 64 bytes
+		 * alignment for linear UV planes on all platforms.
+		 */
+		if (DISPLAY_VER(dev_priv) >= 12) {
+			if (fb->modifier == DRM_FORMAT_MOD_LINEAR)
+				return 256 * 1024;
+
+			return intel_tile_row_size(fb, color_plane);
+		}
+
+		return 4096;
+	}
+
+	drm_WARN_ON(&dev_priv->drm, color_plane != 0);
+
+	switch (fb->modifier) {
+	case DRM_FORMAT_MOD_LINEAR:
+		return 256 * 1024;
+	case I915_FORMAT_MOD_X_TILED:
+		if (HAS_ASYNC_FLIPS(dev_priv))
+			return 256 * 1024;
+		return 0;
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
+	case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS:
+	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS:
+	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC:
+		return 16 * 1024;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+	case I915_FORMAT_MOD_Y_TILED:
+	case I915_FORMAT_MOD_4_TILED:
+	case I915_FORMAT_MOD_Yf_TILED:
+		return 1 * 1024 * 1024;
+	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
+	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
+		return 16 * 1024;
+	default:
+		MISSING_CASE(fb->modifier);
+		return 0;
+	}
+}
+
 /* Preoffset values for YUV to RGB Conversion */
 #define PREOFF_YUV_TO_RGB_HI		0x1800
 #define PREOFF_YUV_TO_RGB_ME		0x0000
@@ -2431,7 +2506,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 	else
 		plane->max_stride = skl_plane_max_stride;
 
-	plane->min_alignment = intel_surf_alignment;
+	plane->min_alignment = skl_plane_min_alignment;
 
 	if (DISPLAY_VER(dev_priv) >= 11) {
 		plane->update_noarm = icl_plane_update_noarm;