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drm/vc4: Allow scaling on cursor plane

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Now that async update has been reworked to allow scaled planes to be
updated asynchronously when the scaling params do not change, we can
remove the NO_SCALING constraint on cursor planes.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20181130090254.594-5-boris.brezillon@bootlin.com
This commit is contained in:
Boris Brezillon 2018-11-30 10:02:53 +01:00
parent 1d4118ca16
commit 5dc416d9c2
1 changed files with 2 additions and 17 deletions
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19
drivers/gpu/drm/vc4/vc4_plane.c
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@ -260,14 +260,12 @@ static u32 vc4_get_scl_field(struct drm_plane_state *state, int plane)
static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
{
struct drm_plane *plane = state->plane;
struct vc4_plane_state *vc4_state = to_vc4_plane_state(state);
struct drm_framebuffer *fb = state->fb;
struct drm_gem_cma_object *bo = drm_fb_cma_get_gem_obj(fb, 0);
u32 subpixel_src_mask = (1 << 16) - 1;
u32 format = fb->format->format;
int num_planes = fb->format->num_planes;
int min_scale = 1, max_scale = INT_MAX;
struct drm_crtc_state *crtc_state;
u32 h_subsample, v_subsample;
int i, ret;
@ -279,21 +277,8 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
return -EINVAL;
}
/* No configuring scaling on the cursor plane, since it gets
* non-vblank-synced updates, and scaling requires LBM changes which
* have to be vblank-synced.
*/
if (plane->type == DRM_PLANE_TYPE_CURSOR) {
min_scale = DRM_PLANE_HELPER_NO_SCALING;
max_scale = DRM_PLANE_HELPER_NO_SCALING;
} else {
min_scale = 1;
max_scale = INT_MAX;
}
ret = drm_atomic_helper_check_plane_state(state, crtc_state,
min_scale, max_scale,
true, true);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, 1,
INT_MAX, true, true);
if (ret)
return ret;