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Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

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two fixes for hw lockups and one for a double free

* 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: make sure vertical front porch is at least 1
  drm/radeon: make sure vertical front porch is at least 1
  drm/amdgpu: set metadata pointer to NULL after freeing.
This commit is contained in:
Dave Airlie 2016-05-05 10:37:25 +10:00
commit 80623de03b
3 changed files with 9 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -541,6 +541,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
if (!metadata_size) {
if (bo->metadata_size) {
kfree(bo->metadata);
bo->metadata = NULL;
bo->metadata_size = 0;
}
return 0;

4
drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
View File

@ -298,6 +298,10 @@ bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder,
&& (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
/* vertical FP must be at least 1 */
if (mode->crtc_vsync_start == mode->crtc_vdisplay)
adjusted_mode->crtc_vsync_start++;
/* get the native mode for scaling */
if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
amdgpu_panel_mode_fixup(encoder, adjusted_mode);

4
drivers/gpu/drm/radeon/atombios_encoders.c
View File

@ -310,6 +310,10 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
&& (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
/* vertical FP must be at least 1 */
if (mode->crtc_vsync_start == mode->crtc_vdisplay)
adjusted_mode->crtc_vsync_start++;
/* get the native mode for scaling */
if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
radeon_panel_mode_fixup(encoder, adjusted_mode);