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drm/i915: Fix watermark calculations for gen12+ RC CCS modifier

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Take the gen12+ RC CCS 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.

v2: Split RC CCS vs. MC CCS to separate patches

Cc: stable@vger.kernel.org
Fixes: b3e57bccd68a ("drm/i915/tgl: Gen-12 render decompression")
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221003111544.8007-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2022-10-03 14:15:39 +03:00
parent 8da8e32e0b
commit a89a96a586
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/display/skl_watermark.c
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@ -1710,10 +1710,12 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
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_Yf_TILED_CCS ||
modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_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_Yf_TILED_CCS ||
modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
wp->is_planar = intel_format_info_is_yuv_semiplanar(format, modifier);
wp->width = width;