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authorStanislav Lisovskiy <stanislav.lisovskiy@intel.com>2024-09-30 18:35:46 +0200
committerAnkit Nautiyal <ankit.k.nautiyal@intel.com>2024-10-01 11:04:56 +0200
commitf84be3b3f81a62163484e8a3a4ee7c0ca2063995 (patch)
treeeaaa2a243606ab6b56668941394105913e1fd9ff /drivers/gpu/drm/i915/display/intel_dp.c
parentdrm/i915/dp: Modify compressed bpp limitations for ultrajoiner (diff)
downloadlinux-f84be3b3f81a62163484e8a3a4ee7c0ca2063995.tar.xz
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drm/i915/dp: Simplify helper to get slice count with joiner
When bigjoiner is used, we need at least 2 dsc slices per pipe. Modify the condition in intel_dp_dsc_get_slice_count() to reflect the same. Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240930163549.416410-11-ankit.k.nautiyal@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index d8a4a6fa1514..8e091f74eb9a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1022,8 +1022,12 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false))
break;
- /* big joiner needs small joiner to be enabled */
- if (num_joined_pipes == 2 && test_slice_count < 4)
+ /*
+ * Bigjoiner needs small joiner to be enabled.
+ * So there should be at least 2 dsc slices per pipe,
+ * whenever bigjoiner is enabled.
+ */
+ if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2)
continue;
if (min_slice_count <= test_slice_count)