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authorChris Wilson <chris@chris-wilson.co.uk>2009-06-06 09:45:59 +0100
committerEric Anholt <eric@anholt.net>2009-06-09 14:41:26 -0700
commit1f803ee5cea67d2387aeedb4b07e645a743729de (patch)
tree4eec806dcc444bec0482d3e67ba1d2f2e06c1e0b /drivers/gpu
parent5f26a2c7ad6eba97141e8372f3def282f934b169 (diff)
drm/i915: Call drm_vblank_post_modeset() on error paths.
Ensure that the drm_vblank_pre_modeset() is always balanced by drm_vblank_post_modeset() within intel_crtc_mode_set(). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c5c45827ca0..a87eeffc2c8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1598,6 +1598,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, &clock);
if (!ok) {
DRM_ERROR("Couldn't find PLL settings for mode!\n");
+ drm_vblank_post_modeset(dev, pipe);
return -EINVAL;
}
@@ -1858,12 +1859,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* Flush the plane changes */
ret = intel_pipe_set_base(crtc, x, y, old_fb);
- if (ret != 0)
- return ret;
-
drm_vblank_post_modeset(dev, pipe);
- return 0;
+ return ret;
}
/** Loads the palette/gamma unit for the CRTC with the prepared values */