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authorAlex Deucher <alexdeucher@gmail.com>2010-12-08 22:13:05 -0500
committerDave Airlie <airlied@redhat.com>2010-12-21 13:30:59 +1000
commit7a868e18a4907dc8f1f05d99bcb9fd3fa8881ee4 (patch)
treeeb45aab3241d1a79ed19930c2945ba93c5e01787 /drivers/gpu/drm/radeon
parent000fa7cf46479238f7b9f2d7763e41af5268b16a (diff)
drm/radeon/kms: use LCD physical size from vbios tables if available
Some systems have the LCD width and height in mm available in the LCD info table. Use this info if there is no EDID to provide it. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index ac882639b3e..35c5ff09040 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1500,6 +1500,9 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
if (misc & ATOM_DOUBLE_CLOCK_MODE)
lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
+ lvds->native_mode.width_mm = lvds_info->info.sLCDTiming.usImageHSize;
+ lvds->native_mode.height_mm = lvds_info->info.sLCDTiming.usImageVSize;
+
/* set crtc values */
drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 3bef9f6d66f..f3ba066ded2 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -472,6 +472,9 @@ static int radeon_lvds_get_modes(struct drm_connector *connector)
if (mode) {
ret = 1;
drm_mode_probed_add(connector, mode);
+ /* add the width/height from vbios tables if available */
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
/* add scaled modes */
radeon_add_common_modes(encoder, connector);
}