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Update RPI patches

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Ycarus 2018-08-12 08:35:08 +02:00
parent 07bf329e51
commit 73e092d4de
24 changed files with 2573 additions and 0 deletions
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57
root/target/linux/brcm2708/patches-4.14/0378-drm-vc4-Set-premultiplied-for-alpha-formats.patch Normal file
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@ -0,0 +1,57 @@
From a479cfa8b60ea42d5003c1331d228b7a6dd711b5 Mon Sep 17 00:00:00 2001
From: Stefan Schake <stschake@gmail.com>
Date: Fri, 9 Mar 2018 01:53:34 +0100
Subject: [PATCH 378/401] drm/vc4: Set premultiplied for alpha formats
commit 05202c241f1476d8e2b30bb2699f6780962972e8 upstream.
Alpha formats in DRM are assumed to be premultiplied, so we should be
setting the PREMULT bit in the plane configuration for HVS.
Changes from v1:
- Use correct has_alpha
Signed-off-by: Stefan Schake <stschake@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1520556817-97297-2-git-send-email-stschake@gmail.com
---
drivers/gpu/drm/vc4/vc4_plane.c | 3 ++-
drivers/gpu/drm/vc4/vc4_regs.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index bda52f8ffb91..32ed4aa96c33 100644
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -619,13 +619,14 @@ static int vc4_plane_mode_set(struct drm_plane *plane,
SCALER_POS1_SCL_HEIGHT));
}
- /* Position Word 2: Source Image Size, Alpha Mode */
+ /* Position Word 2: Source Image Size, Alpha */
vc4_state->pos2_offset = vc4_state->dlist_count;
vc4_dlist_write(vc4_state,
VC4_SET_FIELD(format->has_alpha ?
SCALER_POS2_ALPHA_MODE_PIPELINE :
SCALER_POS2_ALPHA_MODE_FIXED,
SCALER_POS2_ALPHA_MODE) |
+ (format->has_alpha ? SCALER_POS2_ALPHA_PREMULT : 0) |
VC4_SET_FIELD(vc4_state->src_w[0], SCALER_POS2_WIDTH) |
VC4_SET_FIELD(vc4_state->src_h[0], SCALER_POS2_HEIGHT));
diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h
index 55677bd50f66..e7b0c1f5a1aa 100644
--- a/drivers/gpu/drm/vc4/vc4_regs.h
+++ b/drivers/gpu/drm/vc4/vc4_regs.h
@@ -877,6 +877,7 @@ enum hvs_pixel_format {
#define SCALER_POS2_ALPHA_MODE_FIXED 1
#define SCALER_POS2_ALPHA_MODE_FIXED_NONZERO 2
#define SCALER_POS2_ALPHA_MODE_FIXED_OVER_0x07 3
+#define SCALER_POS2_ALPHA_PREMULT BIT(29)
#define SCALER_POS2_HEIGHT_MASK VC4_MASK(27, 16)
#define SCALER_POS2_HEIGHT_SHIFT 16
--
2.16.1