diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-11-01 22:16:19 +0200 |
---|---|---|
committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-11-20 21:14:22 +0200 |
commit | a01cb8ba3f6282934cff65e89ab36b18b14cbe27 (patch) | |
tree | 691bc30cc8bd0eb5007f207e019ca1ad275b4599 /drivers/gpu/drm/drm_plane_helper.c | |
parent | 10b47ee02d1ae66160058241cf5b962f64e81b47 (diff) | |
download | linux-a01cb8ba3f6282934cff65e89ab36b18b14cbe27.tar.bz2 |
drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c
drm_plane_helper_check_update() isn't a transitional helper, so let's
rename it to drm_atomic_helper_check_plane_state() and move it into
drm_atomic_helper.c.
v2: Fix the WARNs about plane_state->crtc matching crtc_state->crtc
Cc: Daniel Vetter <daniel@ffwll.ch>
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171101201619.6175-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_plane_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_plane_helper.c | 102 |
1 files changed, 4 insertions, 98 deletions
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index eef0ffcd7ed5..f1be8cd4e387 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -100,100 +100,6 @@ static int get_connectors_for_crtc(struct drm_crtc *crtc, } /** - * drm_plane_helper_check_state() - Check plane state for validity - * @plane_state: plane state to check - * @crtc_state: crtc state to check - * @clip: integer clipping coordinates - * @min_scale: minimum @src:@dest scaling factor in 16.16 fixed point - * @max_scale: maximum @src:@dest scaling factor in 16.16 fixed point - * @can_position: is it legal to position the plane such that it - * doesn't cover the entire crtc? This will generally - * only be false for primary planes. - * @can_update_disabled: can the plane be updated while the crtc - * is disabled? - * - * Checks that a desired plane update is valid, and updates various - * bits of derived state (clipped coordinates etc.). Drivers that provide - * their own plane handling rather than helper-provided implementations may - * still wish to call this function to avoid duplication of error checking - * code. - * - * RETURNS: - * Zero if update appears valid, error code on failure - */ -int drm_plane_helper_check_state(struct drm_plane_state *plane_state, - const struct drm_crtc_state *crtc_state, - const struct drm_rect *clip, - int min_scale, - int max_scale, - bool can_position, - bool can_update_disabled) -{ - struct drm_framebuffer *fb = plane_state->fb; - struct drm_rect *src = &plane_state->src; - struct drm_rect *dst = &plane_state->dst; - unsigned int rotation = plane_state->rotation; - int hscale, vscale; - - WARN_ON(plane_state->crtc && plane_state->crtc != crtc_state->crtc); - - *src = drm_plane_state_src(plane_state); - *dst = drm_plane_state_dest(plane_state); - - if (!fb) { - plane_state->visible = false; - return 0; - } - - /* crtc should only be NULL when disabling (i.e., !fb) */ - if (WARN_ON(!plane_state->crtc)) { - plane_state->visible = false; - return 0; - } - - if (!crtc_state->enable && !can_update_disabled) { - DRM_DEBUG_KMS("Cannot update plane of a disabled CRTC.\n"); - return -EINVAL; - } - - drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); - - /* Check scaling */ - hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); - vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); - if (hscale < 0 || vscale < 0) { - DRM_DEBUG_KMS("Invalid scaling of plane\n"); - drm_rect_debug_print("src: ", &plane_state->src, true); - drm_rect_debug_print("dst: ", &plane_state->dst, false); - return -ERANGE; - } - - plane_state->visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale); - - drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation); - - if (!plane_state->visible) - /* - * Plane isn't visible; some drivers can handle this - * so we just return success here. Drivers that can't - * (including those that use the primary plane helper's - * update function) will return an error from their - * update_plane handler. - */ - return 0; - - if (!can_position && !drm_rect_equals(dst, clip)) { - DRM_DEBUG_KMS("Plane must cover entire CRTC\n"); - drm_rect_debug_print("dst: ", dst, false); - drm_rect_debug_print("clip: ", clip, false); - return -EINVAL; - } - - return 0; -} -EXPORT_SYMBOL(drm_plane_helper_check_state); - -/** * drm_plane_helper_check_update() - Check plane update for validity * @plane: plane object to update * @crtc: owning CRTC of owning plane @@ -254,10 +160,10 @@ int drm_plane_helper_check_update(struct drm_plane *plane, }; int ret; - ret = drm_plane_helper_check_state(&plane_state, &crtc_state, clip, - min_scale, max_scale, - can_position, - can_update_disabled); + ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, + clip, min_scale, max_scale, + can_position, + can_update_disabled); if (ret) return ret; |