diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 8bc997b66424..c5e3d2251b18 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2687,6 +2687,32 @@ static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = { .get_scanout_position = amdgpu_crtc_get_scanout_position, }; +static void dce_v10_0_panic_flush(struct drm_plane *plane) +{ + struct drm_framebuffer *fb; + struct amdgpu_crtc *amdgpu_crtc; + struct amdgpu_device *adev; + uint32_t fb_format; + + if (!plane->fb) + return; + + fb = plane->fb; + amdgpu_crtc = to_amdgpu_crtc(plane->crtc); + adev = drm_to_adev(fb->dev); + + /* Disable DC tiling */ + fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset); + fb_format &= ~GRPH_CONTROL__GRPH_ARRAY_MODE_MASK; + WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); + +} + +static const struct drm_plane_helper_funcs dce_v10_0_drm_primary_plane_helper_funcs = { + .get_scanout_buffer = amdgpu_display_get_scanout_buffer, + .panic_flush = dce_v10_0_panic_flush, +}; + static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) { struct amdgpu_crtc *amdgpu_crtc; @@ -2734,6 +2760,7 @@ static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) amdgpu_crtc->encoder = NULL; amdgpu_crtc->connector = NULL; drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs); + drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v10_0_drm_primary_plane_helper_funcs); return 0; } |