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drm/amdgpu: update drm_display_info correctly when the edid is read

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[ Upstream commit 20543be93ca45968f344261c1a997177e51bd7e1 ]

drm_display_info is updated by drm_get_edid() or
drm_connector_update_edid_property(). In the amdgpu driver it is almost
always updated when the edid is read in amdgpu_connector_get_edid(),
but not always.  Change amdgpu_connector_get_edid() and
amdgpu_connector_free_edid() to keep drm_display_info updated.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Claudio Suarez <cssk@net-c.es>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 602ad43c3cd8 ("drm/amdgpu: Partially revert "drm/amdgpu: update drm_display_info correctly when the edid is read"")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Claudio Suarez 2021-10-17 13:34:58 +02:00 • committed by Greg Kroah-Hartman
commit 41f0abeadc
2 changed files with 5 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
View file

@ -316,8 +316,10 @@ static void amdgpu_connector_get_edid(struct drm_connector *connector)
if (!amdgpu_connector->edid) {
/* some laptops provide a hardcoded edid in rom for LCDs */
if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
(connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
(connector->connector_type == DRM_MODE_CONNECTOR_eDP))) {
amdgpu_connector->edid = amdgpu_connector_get_hardcoded_edid(adev);
drm_connector_update_edid_property(connector, amdgpu_connector->edid);
}
}
}
@ -327,6 +329,7 @@ static void amdgpu_connector_free_edid(struct drm_connector *connector)
kfree(amdgpu_connector->edid);
amdgpu_connector->edid = NULL;
drm_connector_update_edid_property(connector, NULL);
}
static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector)

3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View file

@ -1436,13 +1436,12 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
aconnector->edid =
(struct edid *)sink->dc_edid.raw_edid;
drm_connector_update_edid_property(connector,
aconnector->edid);
if (aconnector->dc_link->aux_mode)
drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
aconnector->edid);
}
drm_connector_update_edid_property(connector, aconnector->edid);
amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
} else {