[PATCH 5/5] drm/i915: Simplify modifier lookup in watermark code

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Replace the huge modifier lists in the watermark code with
a few calls to intel_fb.c.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_fb.c      | 13 ++++++++++++
 drivers/gpu/drm/i915/display/intel_fb.h      |  1 +
 drivers/gpu/drm/i915/display/skl_watermark.c | 22 +++-----------------
 3 files changed, 17 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index eefa33c555ac..63137ae5ab21 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -300,6 +300,19 @@ static bool plane_caps_contain_all(u8 caps, u8 mask)
 	return (caps & mask) == mask;
 }
 
+/**
+ * intel_fb_is_tiled_modifier: Check if a modifier is a tiled modifier type
+ * @modifier: Modifier to check
+ *
+ * Returns:
+ * Returns %true if @modifier is a tiled modifier.
+ */
+bool intel_fb_is_tiled_modifier(u64 modifier)
+{
+	return plane_caps_contain_any(lookup_modifier(modifier)->plane_caps,
+				      INTEL_PLANE_CAP_TILING_MASK);
+}
+
 /**
  * intel_fb_is_ccs_modifier: Check if a modifier is a CCS modifier type
  * @modifier: Modifier to check
diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h
index 12386f13a4e0..4662b812b934 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.h
+++ b/drivers/gpu/drm/i915/display/intel_fb.h
@@ -29,6 +29,7 @@ struct intel_plane_state;
 #define INTEL_PLANE_CAP_TILING_Yf	BIT(5)
 #define INTEL_PLANE_CAP_TILING_4	BIT(6)
 
+bool intel_fb_is_tiled_modifier(u64 modifier);
 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);
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index 18178b01375e..0715bb308989 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -1706,26 +1706,10 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
 		return -EINVAL;
 	}
 
-	wp->y_tiled = modifier == I915_FORMAT_MOD_Y_TILED ||
-		      modifier == I915_FORMAT_MOD_4_TILED ||
-		      modifier == I915_FORMAT_MOD_Yf_TILED ||
-		      modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
-		      modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
-		      modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
-		      modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS ||
-		      modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC ||
-		      modifier == I915_FORMAT_MOD_4_TILED_DG2_RC_CCS ||
-		      modifier == I915_FORMAT_MOD_4_TILED_DG2_MC_CCS ||
-		      modifier == I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC;
 	wp->x_tiled = modifier == I915_FORMAT_MOD_X_TILED;
-	wp->rc_surface = modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
-			 modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
-			 modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
-			 modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS ||
-			 modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC ||
-			 modifier == I915_FORMAT_MOD_4_TILED_DG2_RC_CCS ||
-			 modifier == I915_FORMAT_MOD_4_TILED_DG2_MC_CCS ||
-			 modifier == I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC;
+	wp->y_tiled = modifier != I915_FORMAT_MOD_X_TILED &&
+		intel_fb_is_tiled_modifier(modifier);
+	wp->rc_surface = intel_fb_is_ccs_modifier(modifier);
 	wp->is_planar = intel_format_info_is_yuv_semiplanar(format, modifier);
 
 	wp->width = width;
-- 
2.35.1




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