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authorAlex Deucher <alexdeucher@gmail.com>2010-12-08 22:13:06 -0500
committerDave Airlie <airlied@redhat.com>2010-12-21 13:31:00 +1000
commitc324acd5032f516b8188da99d2ce05cf8d1294d6 (patch)
treef39637387eafcd91b3a82e303e6a6452be0a8911 /drivers/gpu/drm/radeon/radeon_display.c
parent7a868e18a4907dc8f1f05d99bcb9fd3fa8881ee4 (diff)
downloadlinux-c324acd5032f516b8188da99d2ce05cf8d1294d6.tar.bz2
drm/radeon/kms: parse the extended LCD info block
This block may contain various additional LCD info such as physical size and a stored EDID. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 7b17e639ab32..acebbc76c2f9 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -679,9 +679,17 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
if (!radeon_connector->edid) {
radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
}
- /* some servers provide a hardcoded edid in rom for KVMs */
- if (!radeon_connector->edid)
- radeon_connector->edid = radeon_combios_get_hardcoded_edid(rdev);
+
+ if (!radeon_connector->edid) {
+ if (rdev->is_atom_bios) {
+ /* some laptops provide a hardcoded edid in rom for LCDs */
+ if (((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_LVDS) ||
+ (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)))
+ radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
+ } else
+ /* some servers provide a hardcoded edid in rom for KVMs */
+ radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
+ }
if (radeon_connector->edid) {
drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);