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@xxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_atombios.c | 3 +++
drivers/gpu/drm/radeon/radeon_connectors.c | 3 +++
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 6d33da3..ac8d2e9 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1555,6 +1555,9 @@ 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 8afaf7a..5b00f92 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);
}
--
1.7.1.1
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