[PATCH 05/11] drm/edid: Only parse VRR range for continuous frequency displays

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Since we only use the parsed vrefresh range to determine
if VRR should be supported we should only accept continuous
frequency displays here.

Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Cc: Harry Wentland <harry.wentland@xxxxxxx>
Cc: Leo Li <sunpeng.li@xxxxxxx>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_edid.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 856d304a1354..b459fdf12b58 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -6064,7 +6064,10 @@ static void drm_get_vrr_range(struct drm_connector *connector,
 		.drm_edid = drm_edid,
 	};
 
-	if (!version_greater(drm_edid, 1, 1))
+	if (!version_greater(drm_edid, 1, 3))
+		return;
+
+	if (!(drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ))
 		return;
 
 	drm_for_each_detailed_block(drm_edid, get_vrr_range, &closure);
-- 
2.35.1




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