drm/i915: Drop 64bpp YUV formats from ICL+ SDR planes
I'm seeing underruns with these 64bpp YUV formats on TGL. The weird details: - only happens on pipe B/C/D SDR planes, pipe A SDR planes seem fine, as do all HDR planes - somehow CDCLK related, higher CDCLK allows for bigger plane with these formats without underruns. With 300MHz CDCLK I can only go up to 1200 pixels wide or so, with 650MHz even a 3840 pixel wide plane was OK - ICL and ADL so far appear unaffected So not really sure what's the deal with this, but bspec does state "64-bit formats supported only on the HDR planes" so let's just drop these formats from the SDR planes. We already disallow 64bpp RGB formats. Cc: stable@vger.kernel.org Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241218173650.19782-2-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>pull/1188/head
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2e0727c347
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@ -106,8 +106,6 @@ static const u32 icl_sdr_y_plane_formats[] = {
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DRM_FORMAT_Y216,
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DRM_FORMAT_XYUV8888,
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DRM_FORMAT_XVYU2101010,
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DRM_FORMAT_XVYU12_16161616,
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DRM_FORMAT_XVYU16161616,
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};
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static const u32 icl_sdr_uv_plane_formats[] = {
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@ -134,8 +132,6 @@ static const u32 icl_sdr_uv_plane_formats[] = {
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DRM_FORMAT_Y216,
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DRM_FORMAT_XYUV8888,
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DRM_FORMAT_XVYU2101010,
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DRM_FORMAT_XVYU12_16161616,
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DRM_FORMAT_XVYU16161616,
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};
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static const u32 icl_hdr_plane_formats[] = {
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