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| author | Haneen Mohammed <hamohammed.sa@gmail.com> | 2018-07-24 19:30:22 +0300 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2018-07-30 13:03:13 -0400 |
| commit | d7734b74095dfa103747a82a63ae8bd71dcbf24e (patch) | |
| tree | 5aa87c7eb6ad647a45ed0e77d3945eabb2acac7b /drivers/gpu/drm/vkms | |
| parent | 8ce1bb0b5337db4be801eea234f959104323f959 (diff) | |
drm/vkms: Add atomic_helper_check_plane_state
Call atomic_helper_check_plane_state to clip plane coordinates.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/b8c1bfed8b5720cc4794ace41cf49af66c99a48c.1532446182.git.hamohammed.sa@gmail.com
Diffstat (limited to 'drivers/gpu/drm/vkms')
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_plane.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index 5611e7cf5fc9..8191940844e5 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -8,6 +8,7 @@ #include "vkms_drv.h" #include <drm/drm_plane_helper.h> +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_gem_framebuffer_helper.h> @@ -25,6 +26,33 @@ static void vkms_primary_plane_update(struct drm_plane *plane, { } +static int vkms_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_crtc_state *crtc_state; + int ret; + + if (!state->fb | !state->crtc) + return 0; + + crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + ret = drm_atomic_helper_check_plane_state(state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + false, true); + if (ret != 0) + return ret; + + /* for now primary plane must be visible and full screen */ + if (!state->visible) + return -EINVAL; + + return 0; +} + static int vkms_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) { @@ -58,6 +86,7 @@ static void vkms_cleanup_fb(struct drm_plane *plane, static const struct drm_plane_helper_funcs vkms_primary_helper_funcs = { .atomic_update = vkms_primary_plane_update, + .atomic_check = vkms_plane_atomic_check, .prepare_fb = vkms_prepare_fb, .cleanup_fb = vkms_cleanup_fb, }; |