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drm/vmwgfx: Fix vmw_du_cursor_plane_atomic_check 

Use the correct helper and also return early on helper
success rather than on helper failure.

Also explicitly return 0 in the case of no fb.

v2: Check for !fb after updating state->visible (Ville).

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> (v1)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004202446.22905-17-daniel.vetter@ffwll.ch
This commit is contained in:
Thomas Hellstrom 2018-10-04 22:24:41 +02:00 committed by Daniel Vetter
parent 6b6fce62f6
commit 40e3defd19
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -493,24 +493,24 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *new_state)
{
int ret = 0;
struct drm_crtc_state *crtc_state = NULL;
struct vmw_surface *surface = NULL;
struct drm_framebuffer *fb = new_state->fb;
struct drm_rect src = drm_plane_state_src(new_state);
struct drm_rect dest = drm_plane_state_dest(new_state);
if (new_state->crtc)
crtc_state = drm_atomic_get_new_crtc_state(new_state->state,
new_state->crtc);
ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
if (ret)
return ret;
/* Turning off */
if (!fb)
return ret;
ret = drm_plane_helper_check_update(plane, new_state->crtc, fb,
&src, &dest,
DRM_MODE_ROTATE_0,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true, &new_state->visible);
if (!ret)
return ret;
return 0;
/* A lot of the code assumes this */
if (new_state->crtc_w != 64 || new_state->crtc_h != 64) {