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drm/ast: Enable primary plane with CRTC

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As the CRTC requires a primary plane for display, ensure that the
primary plane is enabled with the CRTC.

Use drm_atomic_helper_check_crtc_state(). Add all affected planes
to the atomic state so that their state will be checked as well.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220617103226.25617-4-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2022-06-17 12:32:26 +02:00
parent dc2cdd17d1
commit 016a14beac
1 changed files with 9 additions and 4 deletions
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13
drivers/gpu/drm/ast/ast_mode.c
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@ -1108,15 +1108,19 @@ ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode
static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state,
crtc);
struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
struct drm_device *dev = crtc->dev;
struct ast_crtc_state *ast_state;
const struct drm_format_info *format;
bool succ;
int ret;
ret = drm_atomic_helper_check_crtc_state(crtc_state, false);
if (ret)
return ret;
if (!crtc_state->enable)
return 0; /* no mode checks if CRTC is being disabled */
goto out;
ast_state = to_ast_crtc_state(crtc_state);
@ -1130,7 +1134,8 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
if (!succ)
return -EINVAL;
return 0;
out:
return drm_atomic_add_affected_planes(state, crtc);
}
static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, struct drm_atomic_state *state)