diff options
| author |   Imre Deak <imre.deak@intel.com> | 2021-09-06 21:27:12 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2021-09-23 16:13:27 +0300 |
| commit | 92dff6c79b16cad7f197fb5cd4756cf8db9ff777 (patch) | |
| tree | d2a37d9a315bb3d45ed5132bd90291b6b372dad6 /drivers/gpu/drm/i915 | |
| parent | drm/i915/adlp: Require always a power-of-two sized CCS surface stride (diff) | |
| download | linux-dev-92dff6c79b16cad7f197fb5cd4756cf8db9ff777.tar.xz linux-dev-92dff6c79b16cad7f197fb5cd4756cf8db9ff777.zip | |
drm/i915/adlp: Assert that VMAs in DPT start at 0
Atm the DPT object can accommodate only one VMA, so the VMA offset will
be always 0. Add an assert for this.
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210906182715.3915100-4-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/display/skl_universal_plane.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 724e7b04f3b6..f50282b60de4 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -993,6 +993,11 @@ static u32 skl_surf_address(const struct intel_plane_state *plane_state, u32 offset = plane_state->view.color_plane[color_plane].offset; if (intel_fb_uses_dpt(fb)) { + /* + * The DPT object contains only one vma, so the VMA's offset + * within the DPT is always 0. + */ + WARN_ON(plane_state->dpt_vma->node.start); WARN_ON(offset & 0x1fffff); return offset >> 9; } else { |