Blob Blame History Raw
From 12ca9d1b0b2a6aa255831a3b458e15165b873fdb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 28 Oct 2019 13:30:33 +0200
Subject: drm/i915: Fix overlay colorkey for 30bpp and 8bpp
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 0e12b4e31f0e34e19327e3958ee2b1c0f0d4d5b9
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

As with the video sprites the colorkey is always specified
as 8bpc. For 10bpc primary plane formats we just ignore the
two lsbs of each component. For C8 we'll replicate the same
key to each chanel, which is what the hardware wants.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191028113036.27553-3-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_overlay.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
index 66711e62fa71..3a69ab159dd7 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -100,12 +100,15 @@
 #define CLK_RGB24_MASK		0x0
 #define CLK_RGB16_MASK		0x070307
 #define CLK_RGB15_MASK		0x070707
-#define CLK_RGB8I_MASK		0xffffff
 
+#define RGB30_TO_COLORKEY(c) \
+	(((c & 0x3FC00000) >> 6) | ((c & 0x000FF000) >> 4) | ((c & 0x000003FC) >> 2))
 #define RGB16_TO_COLORKEY(c) \
 	(((c & 0xF800) << 8) | ((c & 0x07E0) << 5) | ((c & 0x001F) << 3))
 #define RGB15_TO_COLORKEY(c) \
 	(((c & 0x7c00) << 9) | ((c & 0x03E0) << 6) | ((c & 0x001F) << 3))
+#define RGB8I_TO_COLORKEY(c) \
+	(((c & 0xFF) << 16) | ((c & 0XFF) << 8) | ((c & 0xFF) << 0))
 
 /* overlay flip addr flag */
 #define OFC_UPDATE		0x1
@@ -682,8 +685,8 @@ static void update_colorkey(struct intel_overlay *overlay,
 
 	switch (format) {
 	case DRM_FORMAT_C8:
-		key = 0;
-		flags |= CLK_RGB8I_MASK;
+		key = RGB8I_TO_COLORKEY(key);
+		flags |= CLK_RGB24_MASK;
 		break;
 	case DRM_FORMAT_XRGB1555:
 		key = RGB15_TO_COLORKEY(key);
@@ -693,6 +696,11 @@ static void update_colorkey(struct intel_overlay *overlay,
 		key = RGB16_TO_COLORKEY(key);
 		flags |= CLK_RGB16_MASK;
 		break;
+	case DRM_FORMAT_XRGB2101010:
+	case DRM_FORMAT_XBGR2101010:
+		key = RGB30_TO_COLORKEY(key);
+		flags |= CLK_RGB24_MASK;
+		break;
 	default:
 		flags |= CLK_RGB24_MASK;
 		break;
-- 
2.29.2