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aknautiyalrodrigovivi
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drm/i915/dp: Fix the computation for compressed_bpp for DISPLAY < 13
For DISPLAY < 13, compressed bpp is chosen from a list of supported compressed bpps. Fix the condition to choose the appropriate compressed bpp from the list. Fixes: 1c56e9a ("drm/i915/dp: Get optimal link config to have best compressed bpp") Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <stable@vger.kernel.org> # v6.7+ Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10162 Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240305054443.2489895-1-ankit.k.nautiyal@intel.com (cherry picked from commit 5a1da42) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Lines changed: 3 additions & 2 deletions

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drivers/gpu/drm/i915/display/intel_dp.c

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1917,8 +1917,9 @@ icl_dsc_compute_link_config(struct intel_dp *intel_dp,
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dsc_max_bpp = min(dsc_max_bpp, pipe_bpp - 1);
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for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) {
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if (valid_dsc_bpp[i] < dsc_min_bpp ||
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valid_dsc_bpp[i] > dsc_max_bpp)
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if (valid_dsc_bpp[i] < dsc_min_bpp)
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continue;
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if (valid_dsc_bpp[i] > dsc_max_bpp)
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break;
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ret = dsc_compute_link_config(intel_dp,

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