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FAILED: patch "[PATCH] drm/i915: Fix watermark calculations for gen12+ CCS+CC" failed to apply to 6.1-stable tree

PATCH [email protected] 1 participant 1 message Jan 4, 2023

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The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Possible dependencies:

a627455bbe50 ("drm/i915: Fix watermark calculations for gen12+ CCS+CC modifier") 91c9651425fe ("drm/i915: Fix watermark calculations for gen12+ MC CCS modifier") a89a96a58611 ("drm/i915: Fix watermark calculations for gen12+ RC CCS modifier")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From a627455bbe50a111475d7a42beb58fa64bd96c83 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <[email protected]>
Date: Mon, 3 Oct 2022 14:15:41 +0300
Subject: [PATCH] drm/i915: Fix watermark calculations for gen12+ CCS+CC
modifier
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Take the gen12+ CCS+CC modifier into account when calculating the watermarks. Othwerwise we'll calculate the watermarks thinking this Y-tiled modifier is linear.

The rc_surface part is actually a nop since that is not used for any glk+ platform.

Fixes d1e2775e9b96 ("drm/i915/tgl: Add Clear Color support for TGL Render Decompression")
drivers/gpu/drm/i915/display/skl_watermark.c +4 -2
index 1b8f5970cbf7..0ff3ece166fe 100644
@@ -1712,12 +1712,14 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
 		      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_MC_CCS ||
+		      modifier == I915_FORMAT_MOD_Y_TILED_GEN12_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_MC_CCS ||
+			 modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC;
 	wp->is_planar = intel_format_info_is_yuv_semiplanar(format, modifier);
 
 	wp->width = width;