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drm/i915/mst: Fix .mode_valid_ctx() return values

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commit 7cf82b25dd upstream.

.mode_valid_ctx() returns an errno, not the mode status. Fix
the code to do the right thing.

Cc: stable@vger.kernel.org
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Fixes: d51f25eb47 ("drm/i915: Add DSC support to MST path")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231127145028.4899-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit c1799032d2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ville Syrjälä
2023-12-13 18:45:25 +01:00
committed by Greg Kroah-Hartman
parent 02650b3b98
commit 654748c6fc
1 changed files with 8 additions and 4 deletions
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drivers/gpu/drm/i915/display/intel_dp_mst.c
+8 -4
View File
@@ -988,11 +988,15 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
* Big joiner configuration needs DSC for TGL which is not true for
* XE_LPD where uncompressed joiner is supported.
*/
if (DISPLAY_VER(dev_priv) < 13 && bigjoiner && !dsc)
return MODE_CLOCK_HIGH;
if (DISPLAY_VER(dev_priv) < 13 && bigjoiner && !dsc) {
*status = MODE_CLOCK_HIGH;
return 0;
}
if (mode_rate > max_rate && !dsc)
return MODE_CLOCK_HIGH;
if (mode_rate > max_rate && !dsc) {
*status = MODE_CLOCK_HIGH;
return 0;
}
*status = intel_mode_valid_max_plane_size(dev_priv, mode, false);
return 0;