diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-12-06 13:28:19 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-12-06 13:29:09 +1000 |
| commit | 513126ae00ba897cac1ab07f61edf062093d4dcb (patch) | |
| tree | a6c8bf7e52609a4d3d42954eb4492f01113eaafc /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | |
| parent | 467e8a516dcf922d1ea343cebb0e751f81f0dca3 (diff) | |
| parent | 2c486cc4c2774df684d8a43ca7a20670c67ccd76 (diff) | |
| download | linux-513126ae00ba897cac1ab07f61edf062093d4dcb.tar.bz2 | |
Merge branch 'drm-next-4.21' of git://people.freedesktop.org/~agd5f/linux into drm-next
amdgpu and amdkfd:
- Freesync support
- ABM support in DC
- KFD support for vega12 and polaris12
- Add sdma paging queue support for vega
- Use ACPI to query backlight range on supported platforms
- Clean up doorbell handling
- KFD fix for pasid handling under non-HWS
- Misc cleanups and fixes
scheduler:
- Revert "fix timeout handling v2"
radeon:
- Fix possible overflow on 32 bit
ttm:
- Fix for LRU handling for ghost objects
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181130192505.2946-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 686a26de50f9..15ce7e681d67 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -631,6 +631,11 @@ int amdgpu_display_modeset_create_props(struct amdgpu_device *adev) drm_property_create_range(adev->ddev, 0, "max bpc", 8, 16); if (!adev->mode_info.max_bpc_property) return -ENOMEM; + adev->mode_info.abm_level_property = + drm_property_create_range(adev->ddev, 0, + "abm level", 0, 4); + if (!adev->mode_info.abm_level_property) + return -ENOMEM; } return 0; @@ -857,7 +862,12 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev, /* Inside "upper part" of vblank area? Apply corrective offset if so: */ if (in_vbl && (*vpos >= vbl_start)) { vtotal = mode->crtc_vtotal; - *vpos = *vpos - vtotal; + + /* With variable refresh rate displays the vpos can exceed + * the vtotal value. Clamp to 0 to return -vbl_end instead + * of guessing the remaining number of lines until scanout. + */ + *vpos = (*vpos < vtotal) ? (*vpos - vtotal) : 0; } /* Correct for shifted end of vbl at vbl_end. */ |