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authorAnkit Nautiyal <ankit.k.nautiyal@intel.com>2026-02-02 13:37:15 +0300
committerAnkit Nautiyal <ankit.k.nautiyal@intel.com>2026-02-03 11:17:00 +0300
commitefc85c10f5c211e9dcbb74d228560ef80b29fab6 (patch)
tree97f5f707783782ecf0c29903e1511953f5c13720
parentc766952016f2a42d0711260f2f56bdec17786cb7 (diff)
downloadlinux-efc85c10f5c211e9dcbb74d228560ef80b29fab6.tar.xz
drm/i915/dp: Early reject bad hdisplay in intel_dp_mode_valid
Move check for bad hdisplay early as it is independent on other checks. Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Link: https://patch.msgid.link/20260202103731.357416-2-ankit.k.nautiyal@intel.com
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 380d9801c377..fe9f8392ca8f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1460,6 +1460,9 @@ intel_dp_mode_valid(struct drm_connector *_connector,
if (mode->clock < 10000)
return MODE_CLOCK_LOW;
+ if (intel_dp_hdisplay_bad(display, mode->hdisplay))
+ return MODE_H_ILLEGAL;
+
fixed_mode = intel_panel_fixed_mode(connector, mode);
if (intel_dp_is_edp(intel_dp) && fixed_mode) {
status = intel_panel_mode_valid(connector, mode);
@@ -1483,9 +1486,6 @@ intel_dp_mode_valid(struct drm_connector *_connector,
if (target_clock > max_dotclk)
return MODE_CLOCK_HIGH;
- if (intel_dp_hdisplay_bad(display, mode->hdisplay))
- return MODE_H_ILLEGAL;
-
max_link_clock = intel_dp_max_link_rate(intel_dp);
max_lanes = intel_dp_max_lane_count(intel_dp);