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drm: Use plane->state->fb over plane->fb

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Stop looking at plane->fb on atomic drivers. Use plane->state->fb
instead.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180322152313.6561-9-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2018-03-22 17:22:58 +02:00
parent 23a5e1fb34
commit a36c027db5
3 changed files with 24 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/drm_atomic_helper.c
View File

@ -2670,7 +2670,7 @@ int drm_atomic_helper_disable_plane(struct drm_plane *plane,
goto fail;
}
if (plane_state->crtc && (plane == plane->crtc->cursor))
if (plane_state->crtc && plane_state->crtc->cursor == plane)
plane_state->state->legacy_cursor_update = true;
ret = __drm_atomic_helper_disable_plane(plane, plane_state);

11
drivers/gpu/drm/drm_crtc.c
View File

@ -597,13 +597,20 @@ retry:
/* If we have a mode we need a framebuffer. */
/* If we pass -1, set the mode with the currently bound fb */
if (crtc_req->fb_id == -1) {
if (!plane->fb) {
struct drm_framebuffer *old_fb;
if (plane->state)
old_fb = plane->state->fb;
else
old_fb = plane->fb;
if (!old_fb) {
DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
ret = -EINVAL;
goto out;
}
fb = plane->fb;
fb = old_fb;
/* Make refcounting symmetric with the lookup path. */
drm_framebuffer_get(fb);
} else {

19
drivers/gpu/drm/drm_plane.c
View File

@ -792,7 +792,11 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
fb = NULL;
}
} else {
fb = plane->fb;
if (plane->state)
fb = plane->state->fb;
else
fb = plane->fb;
if (fb)
drm_framebuffer_get(fb);
}
@ -934,7 +938,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
struct drm_mode_crtc_page_flip_target *page_flip = data;
struct drm_crtc *crtc;
struct drm_plane *plane;
struct drm_framebuffer *fb = NULL;
struct drm_framebuffer *fb = NULL, *old_fb;
struct drm_pending_vblank_event *e = NULL;
u32 target_vblank = page_flip->sequence;
struct drm_modeset_acquire_ctx ctx;
@ -1012,7 +1016,12 @@ retry:
if (ret)
goto out;
if (plane->fb == NULL) {
if (plane->state)
old_fb = plane->state->fb;
else
old_fb = plane->fb;
if (old_fb == NULL) {
/* The framebuffer is currently unbound, presumably
* due to a hotplug event, that userspace has not
* yet discovered.
@ -1027,7 +1036,7 @@ retry:
goto out;
}
if (crtc->state) {
if (plane->state) {
const struct drm_plane_state *state = plane->state;
ret = drm_framebuffer_check_src_coords(state->src_x,
@ -1042,7 +1051,7 @@ retry:
if (ret)
goto out;
if (plane->fb->format != fb->format) {
if (old_fb->format != fb->format) {
DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n");
ret = -EINVAL;
goto out;