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| author | Michel Dänzer <michel.daenzer@amd.com> | 2015-05-26 11:53:39 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-05-28 07:15:30 +0300 |
| commit | b0b9bb4dd51f396dcf843831905f729e74b0c8c0 (patch) | |
| tree | 191cacfea40d68655ff99453f05a9eb8686af60b /drivers/gpu/drm/radeon/radeon_irq_kms.c | |
| parent | 161ab658a611df14fb0365b7b70a8c5fed3e4870 (diff) | |
| download | linux-b0b9bb4dd51f396dcf843831905f729e74b0c8c0.tar.xz | |
drm/radeon: Fix max_vblank_count value for current display engines
The value was much too low, which could cause the userspace visible
vblank counter to move backwards when the hardware counter wrapped
around.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq_kms.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index f682e5351252..1162bfa464f3 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -145,7 +145,13 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev) */ int radeon_driver_irq_postinstall_kms(struct drm_device *dev) { - dev->max_vblank_count = 0x001fffff; + struct radeon_device *rdev = dev->dev_private; + + if (ASIC_IS_AVIVO(rdev)) + dev->max_vblank_count = 0x00ffffff; + else + dev->max_vblank_count = 0x001fffff; + return 0; } |