hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Report the origin of the LVDS fixed panel mode 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[danvet: resolve conflict around the call to intel_crtc_mode_get. And
add the missing NULL check Chris spotted while at it.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-11-21 16:14:03 +00:00 committed by Daniel Vetter
parent 2aa4f09917
commit 6a9d51b768
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -1056,14 +1056,23 @@ bool intel_lvds_init(struct drm_device *dev)
list_for_each_entry(scan, &connector->probed_modes, head) {
if (scan->type & DRM_MODE_TYPE_PREFERRED) {
DRM_DEBUG_KMS("using preferred mode from EDID: ");
drm_mode_debug_printmodeline(scan);
fixed_mode = drm_mode_duplicate(dev, scan);
intel_find_lvds_downclock(dev, fixed_mode, connector);
goto out;
if (fixed_mode) {
intel_find_lvds_downclock(dev, fixed_mode,
connector);
goto out;
}
}
}
/* Failed to get EDID, what about VBT? */
if (dev_priv->lfp_lvds_vbt_mode) {
DRM_DEBUG_KMS("using mode from VBT: ");
drm_mode_debug_printmodeline(dev_priv->lfp_lvds_vbt_mode);
fixed_mode = drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
if (fixed_mode) {
fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
@ -1088,6 +1097,8 @@ bool intel_lvds_init(struct drm_device *dev)
if (crtc && (lvds & LVDS_PORT_EN)) {
fixed_mode = intel_crtc_mode_get(dev, crtc);
if (fixed_mode) {
DRM_DEBUG_KMS("using current (BIOS) mode: ");
drm_mode_debug_printmodeline(fixed_mode);
fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
goto out;
}