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drm/modes: Kill off the oddball DRM_MODE_TYPE_CRTC_C vs. DRM_MODE_TYPE_BUILTIN handling

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For some reason drm_mode_set_crtcinfo() does nothing if the mode has
the DRM_MODE_TYPE_BUILTIN flag set without the other bit from
DRM_MODE_TYPE_CRTC_C also set. I have zero idea what that is supposed
to achieve, but since we have no users for neither flag bit let's kill
this nonsense off.

v2: Fix typo in commit message

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114183258.16976-7-ville.syrjala@linux.intel.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ville Syrjälä 2017-11-14 20:32:54 +02:00
parent d5f26476ab
commit 4f09c77b5c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_modes.c
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@ -833,7 +833,7 @@ EXPORT_SYMBOL(drm_mode_get_hv_timing);
*/
void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags)
{
if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN))
if (!p)
return;
p->crtc_clock = p->clock;