FAILED: patch "[PATCH] drm/i915: Fix watermark calculations for DG2 CCS modifiers" failed to apply to 6.0-stable tree

The patch below does not apply to the 6.0-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:

f25d9f81a8e0 ("drm/i915: Fix watermark calculations for DG2 CCS modifiers") 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") 42a0d256496f ("drm/i915: Extract skl_watermark.c")
55544b2811a6 ("drm/i915: Split intel_read_wm_latency() into per-platform versions") b7d1559038b6 ("drm/i915: move dbuf under display sub-struct") 90b87cf24304 ("drm/i915: move mipi_mmio_base to display.dsi") d51309b4e9aa ("drm/i915: move and group cdclk under display.cdclk") f0acaf9d6912 ("drm/i915: move and group max_bw and bw_obj under display.bw") c3704f1938e7 ("drm/i915: move and group sagv under display.sagv") a30a6fe9e56c ("drm/i915: move wm to display.wm")
b3d81dafdc48 ("drm/i915: move and group fbdev under display.fbdev") 36d225f365e7 ("drm/i915: move dpll under display.dpll")
4be1c12c880e ("drm/i915: move and split audio under display.audio and display.funcs") 6c77055aa674 ("drm/i915: move dmc to display.dmc")
12dc50823845 ("drm/i915: move and group pps members under display.pps") 203eb5a98edb ("drm/i915: move and group gmbus members under display.gmbus") 34dc3cc5017f ("drm/i915: move color_funcs to display.funcs") 06a50913d96e ("drm/i915: move fdi_funcs to display.funcs")

thanks,

greg k-h

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

From f25d9f81a8e09ace4f04106995550bae1f522143 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <[email protected]>
Date: Mon, 3 Oct 2022 14:15:42 +0300
Subject: [PATCH] drm/i915: Fix watermark calculations for DG2 CCS modifiers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Take the DG2 CCS modifiers into account when calculating the watermarks. Othwerwise we'll calculate the watermarks thinking these tile-4 modifiers are linear.

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

index 0ff3ece166fe..070357da40e4 100644
@@ -1713,13 +1713,17 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
 		      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_Y_TILED_GEN12_RC_CCS_CC ||
+		      modifier == I915_FORMAT_MOD_4_TILED_DG2_RC_CCS ||
+		      modifier == I915_FORMAT_MOD_4_TILED_DG2_MC_CCS;
 	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_Y_TILED_GEN12_RC_CCS_CC ||
+			 modifier == I915_FORMAT_MOD_4_TILED_DG2_RC_CCS ||
+			 modifier == I915_FORMAT_MOD_4_TILED_DG2_MC_CCS;
 	wp->is_planar = intel_format_info_is_yuv_semiplanar(format, modifier);
 
 	wp->width = width;