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author | Dave Airlie <airlied@redhat.com> | 2015-11-05 10:57:25 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2015-11-05 10:57:25 +1000 |
commit | 793423ffcb229ae5654b382a1356906f81da2018 (patch) | |
tree | c95dcf05246a9c44d9ce15f4d9fb1c4012598fe5 /drivers/gpu/drm/radeon | |
parent | bf248ca1f5c7ba1e535ba4bd517a15a1ae965c69 (diff) | |
parent | a95e264254dca5b6bfb331d5902930d0787bd7e1 (diff) | |
download | blackbird-op-linux-793423ffcb229ae5654b382a1356906f81da2018.tar.gz blackbird-op-linux-793423ffcb229ae5654b382a1356906f81da2018.zip |
Merge branch 'drm-next-4.4' of git://people.freedesktop.org/~agd5f/linux into drm-next
- Updated register headers for GFX 8.1 for Stoney
- Add some new CZ revisions
- minor pageflip optimizations
- Fencing clean up
- Warning fix
- More fence cleanup
- oops fix
- Fiji fixes
* 'drm-next-4.4' of git://people.freedesktop.org/~agd5f/linux: (29 commits)
drm/amdgpu: group together common fence implementation
drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE
drm/amdgpu: remove now unused fence functions
drm/amdgpu: fix fence fallback check
drm/amdgpu: fix stoping the scheduler timeout
drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
drm/amdgpu: update Fiji's Golden setting
drm/amdgpu: update Fiji's rev id
drm/amdgpu: extract common code in vi_common_early_init
drm/amd/scheduler: don't oops on failure to load
drm/amdgpu: don't oops on failure to load (v2)
drm/amdgpu: don't VT switch on suspend
drm/amdgpu: Make amdgpu_mn functions inline
drm/amdgpu: remove amdgpu_fence_ref/unref
drm/amdgpu: use common fence for sync
drm/amdgpu: use the new fence_is_later
drm/amdgpu: use common fences for VMID management v2
drm/amdgpu: move ring_from_fence to common code
drm/amdgpu: switch to common fence_wait_any_timeout v2
drm/amdgpu: remove unneeded fence functions
...
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 32 |
1 files changed, 4 insertions, 28 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 0acde1949c18..7f33767d7ed6 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1404,44 +1404,20 @@ void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc) * @crtc_id: crtc to cleanup pageflip on * @crtc_base: new address of the crtc (GPU MC address) * - * Does the actual pageflip (evergreen+). - * During vblank we take the crtc lock and wait for the update_pending - * bit to go high, when it does, we release the lock, and allow the - * double buffered update to take place. - * Returns the current update pending status. + * Triggers the actual pageflip by updating the primary + * surface base address (evergreen+). */ void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; - u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset); - int i; - - /* Lock the graphics update lock */ - tmp |= EVERGREEN_GRPH_UPDATE_LOCK; - WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); /* update the scanout addresses */ - WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, - upper_32_bits(crtc_base)); - WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, - (u32)crtc_base); - WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, upper_32_bits(crtc_base)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, (u32)crtc_base); - - /* Wait for update_pending to go high. */ - for (i = 0; i < rdev->usec_timeout; i++) { - if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) - break; - udelay(1); - } - DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); - - /* Unlock the lock, so double-buffering can take place inside vblank */ - tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK; - WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); + /* post the write */ + RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset); } /** |