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drm/radeon/kms: fix handling of DP to LVDS bridges

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They need to be treated like eDP rather than DP.

May fix:
https://bugzilla.kernel.org/show_bug.cgi?id=34822

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-06-13 17:13:35 -04:00 committed by Dave Airlie
parent d6c669528a
commit f89931f345
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/radeon/radeon_connectors.c
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@ -1075,7 +1075,8 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
struct drm_encoder *encoder = radeon_best_single_encoder(connector); struct drm_encoder *encoder = radeon_best_single_encoder(connector);
int ret; int ret;
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
struct drm_display_mode *mode; struct drm_display_mode *mode;
if (!radeon_dig_connector->edp_on) if (!radeon_dig_connector->edp_on)
@ -1208,7 +1209,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
radeon_connector->edid = NULL; radeon_connector->edid = NULL;
} }
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
if (encoder) { if (encoder) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_display_mode *native_mode = &radeon_encoder->native_mode; struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
@ -1271,7 +1273,8 @@ static int radeon_dp_mode_valid(struct drm_connector *connector,
/* XXX check mode bandwidth */ /* XXX check mode bandwidth */
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
struct drm_encoder *encoder = radeon_best_single_encoder(connector); struct drm_encoder *encoder = radeon_best_single_encoder(connector);
if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
@ -1281,7 +1284,7 @@ static int radeon_dp_mode_valid(struct drm_connector *connector,
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_display_mode *native_mode = &radeon_encoder->native_mode; struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
/* AVIVO hardware supports downscaling modes larger than the panel /* AVIVO hardware supports downscaling modes larger than the panel
* to the panel size, but I'm not sure this is desirable. * to the panel size, but I'm not sure this is desirable.
*/ */
if ((mode->hdisplay > native_mode->hdisplay) || if ((mode->hdisplay > native_mode->hdisplay) ||