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| author | Alex Deucher <alexander.deucher@amd.com> | 2012-08-15 22:58:30 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-09-20 19:10:32 +0200 |
| commit | 94f768fd7458e5e8372b8b7565b594284afb6b89 (patch) | |
| tree | f4e6d2755f87cac887c5e37a574e9f9fe2f8e38d /drivers/gpu/drm/radeon/r100.c | |
| parent | drm/radeon: clean up evergreen_get_vblank_counter (diff) | |
| download | linux-94f768fd7458e5e8372b8b7565b594284afb6b89.tar.xz linux-94f768fd7458e5e8372b8b7565b594284afb6b89.zip | |
drm/radeon/r1xx-r4xx: don't use radeon_crtc for vblank callback
This might be called before we've allocated the radeon_crtcs
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 8d7e33a0b243..163c33e1a1d6 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -80,10 +80,12 @@ MODULE_FIRMWARE(FIRMWARE_R520); */ void r100_wait_for_vblank(struct radeon_device *rdev, int crtc) { - struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc]; int i; - if (radeon_crtc->crtc_id == 0) { + if (crtc >= rdev->num_crtc) + return; + + if (crtc == 0) { if (RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN) { for (i = 0; i < rdev->usec_timeout; i++) { if (!(RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)) |