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drm/kms: don't try to shortcut drm mode set function 

We have a drm_set_config which takes a crtc/encoder/mode setup,
and checks it to see if it can shortcut and just do a base setup,
or whether a complete mode setting is required.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-04-22 18:32:56 +10:00 committed by Dave Airlie
parent e8a1344119
commit c964b12942
1 changed files with 0 additions and 19 deletions
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19
drivers/gpu/drm/drm_crtc_helper.c
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@ -561,7 +561,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
int saved_x, saved_y;
struct drm_encoder *encoder;
bool ret = true;
bool depth_changed, bpp_changed;
adjusted_mode = drm_mode_duplicate(dev, mode);
@ -570,15 +569,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
if (!crtc->enabled)
return true;
if (old_fb && crtc->fb) {
depth_changed = (old_fb->depth != crtc->fb->depth);
bpp_changed = (old_fb->bits_per_pixel !=
crtc->fb->bits_per_pixel);
} else {
depth_changed = true;
bpp_changed = true;
}
saved_mode = crtc->mode;
saved_x = crtc->x;
saved_y = crtc->y;
@ -590,15 +580,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
crtc->x = x;
crtc->y = y;
if (drm_mode_equal(&saved_mode, &crtc->mode)) {
if (saved_x != crtc->x || saved_y != crtc->y ||
depth_changed || bpp_changed) {
ret = !crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y,
old_fb);
goto done;
}
}
/* Pass our mode to the connectors and the CRTC to give them a chance to
* adjust it according to limitations or connector properties, and also
* a chance to reject the mode entirely.