drm/msm/sde: add panel stacking support

To support transparent panel stacking, application will pass non-panel-
stacking buffer roi to kernel and let kernel to extend to panel-stacking
size.  A special flag is defined on source config for this purpose.

Change-Id: I59eb290f0f7b92744972391d7db743e2da12300b
Signed-off-by: Xiaowen Wu <wxiaowen@codeaurora.org>
Signed-off-by: Rahul Sharma <rahsha@codeaurora.org>
This commit is contained in:
Xiaowen Wu 2018-12-11 19:15:36 -05:00 committed by Gerrit - the friendly Code Review server
parent 7079e398af
commit 7894acdb9a
2 changed files with 10 additions and 1 deletions

View file

@ -1387,6 +1387,13 @@ static int _sde_plane_mode_set(struct drm_plane *plane,
if (cstate->is_shared) {
dst.x += cstate->shared_roi.x;
dst.y += cstate->shared_roi.y;
if (sde_plane_get_property(pstate,
PLANE_PROP_SRC_CONFIG) &
BIT(SDE_DRM_LINEPADDING)) {
src.h = cstate->shared_roi.h;
dst.h = cstate->shared_roi.h;
}
}
}
@ -1806,7 +1813,8 @@ static void _sde_plane_install_properties(struct drm_plane *plane,
{SDE_DRM_BLEND_OP_COVERAGE, "coverage"}
};
static const struct drm_prop_enum_list e_src_config[] = {
{SDE_DRM_DEINTERLACE, "deinterlace"}
{SDE_DRM_DEINTERLACE, "deinterlace"},
{SDE_DRM_LINEPADDING, "linepadding"},
};
static const struct drm_prop_enum_list e_fb_translation_mode[] = {
{SDE_DRM_FB_NON_SEC, "non_sec"},

View file

@ -60,6 +60,7 @@
* construct bitmask via (1UL << SDE_DRM_<flag>)
*/
#define SDE_DRM_DEINTERLACE 0 /* Specifies interlaced input */
#define SDE_DRM_LINEPADDING 1 /* Specifies line padding input */
/* DRM bitmasks are restricted to 0..63 */
#define SDE_DRM_BITMASK_COUNT 64