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| author | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2024-03-05 11:14:43 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-10 16:38:22 +0200 |
| commit | 253919f57ce175fb725a5db12bb8e66c2c4b49ba (patch) | |
| tree | 469298a957b7d890ca0eb6f919dcace92682a295 | |
| parent | fca2eda2cc3b76a4bb5f292afe2f5e1638781e55 (diff) | |
| download | linux-stable-253919f57ce175fb725a5db12bb8e66c2c4b49ba.tar.gz linux-stable-253919f57ce175fb725a5db12bb8e66c2c4b49ba.tar.bz2 linux-stable-253919f57ce175fb725a5db12bb8e66c2c4b49ba.zip | |
drm/i915/dp: Fix the computation for compressed_bpp for DISPLAY < 13
commit f7caddfd558e32db0ae944256e623a259538b357 upstream.
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: 1c56e9a39833 ("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 5a1da42b50f3594e18738885c2f23ed36629dd00)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 76373d5bf214..360e90601ff9 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1916,8 +1916,9 @@ icl_dsc_compute_link_config(struct intel_dp *intel_dp, dsc_max_bpp = min(dsc_max_bpp, pipe_bpp - 1); for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) { - if (valid_dsc_bpp[i] < dsc_min_bpp || - valid_dsc_bpp[i] > dsc_max_bpp) + if (valid_dsc_bpp[i] < dsc_min_bpp) + continue; + if (valid_dsc_bpp[i] > dsc_max_bpp) break; ret = dsc_compute_link_config(intel_dp, |