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authorEdmund Dea <edmund.j.dea@intel.com>2020-12-05 01:34:29 +0300
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2021-10-06 12:05:44 +0300
commitc026565fe9be813fe826f7e5533ed763283af5f0 (patch)
tree3852e4dc8555319a7cffefe45219307bdc173305 /drivers/gpu/drm/kmb/kmb_regs.h
parent9e1ff307c779ce1f0f810c7ecce3d95bbae40896 (diff)
downloadlinux-c026565fe9be813fe826f7e5533ed763283af5f0.tar.xz
drm/kmb: Enable alpha blended second plane
Enable one additional plane that is alpha blended on top of the primary plane. This also fixes the below warnings when building with -Warray-bounds: drivers/gpu/drm/kmb/kmb_plane.c:135:20: warning: array subscript 3 is above array bounds of 'struct layer_status[1]' [-Warray-bounds] drivers/gpu/drm/kmb/kmb_plane.c:132:20: warning: array subscript 2 is above array bounds of 'struct layer_status[1]' [-Warray-bounds] drivers/gpu/drm/kmb/kmb_plane.c:129:20: warning: array subscript 1 is above array bounds of 'struct layer_status[1]' [-Warray-bounds] v2: corrected previous patch dependecies so it builds Signed-off-by: Edmund Dea <edmund.j.dea@intel.com> Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.kernel.org/project/dri-devel/patch/20210728003126.1425028-13-anitha.chrisanthus@intel.com/ Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/kmb/kmb_regs.h')
-rw-r--r--drivers/gpu/drm/kmb/kmb_regs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h
index 48150569f702..9756101b0d32 100644
--- a/drivers/gpu/drm/kmb/kmb_regs.h
+++ b/drivers/gpu/drm/kmb/kmb_regs.h
@@ -43,8 +43,10 @@
#define LCD_CTRL_OUTPUT_ENABLED BIT(19)
#define LCD_CTRL_BPORCH_ENABLE BIT(21)
#define LCD_CTRL_FPORCH_ENABLE BIT(22)
+#define LCD_CTRL_ALPHA_BLEND_BKGND_DISABLE BIT(23)
#define LCD_CTRL_PIPELINE_DMA BIT(28)
#define LCD_CTRL_VHSYNC_IDLE_LVL BIT(31)
+#define LCD_CTRL_ALPHA_ALL (0xff << 6)
/* interrupts */
#define LCD_INT_STATUS (0x4 * 0x001)
@@ -115,6 +117,7 @@
#define LCD_LAYER_ALPHA_EMBED BIT(5)
#define LCD_LAYER_ALPHA_COMBI (LCD_LAYER_ALPHA_STATIC | \
LCD_LAYER_ALPHA_EMBED)
+#define LCD_LAYER_ALPHA_DISABLED ~(LCD_LAYER_ALPHA_COMBI)
/* RGB multiplied with alpha */
#define LCD_LAYER_ALPHA_PREMULT BIT(6)
#define LCD_LAYER_INVERT_COL BIT(7)