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8c6f00ef4f
Refresh patches.
Remove upstreamed patches:
- backport/096-mips-math-emu-Write-protect-delay-slot-emulation-pages.patch
- pending/510-f2fs-fix-sanity_check_raw_super-on-big-endian-machines.patch
- brcm2708/950-0415-qmi_wwan-apply-SET_DTR-quirk-to-the-SIMCOM-shared-de.patch
Compile-tested: ar71xx, ath79, brcm2708/bcm27{08,10}, octeon, x86/64
Runtime-tested: ar71xx, ath79, brcm2708/bcm27{08,10}, octeon, x86/64
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
From 641b88e2572a66be56c2c1d5aae9acd38d8c6932 Mon Sep 17 00:00:00 2001
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From: Stefan Schake <stschake@gmail.com>
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Date: Fri, 9 Mar 2018 01:53:34 +0100
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Subject: [PATCH 344/454] drm/vc4: Set premultiplied for alpha formats
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commit 05202c241f1476d8e2b30bb2699f6780962972e8 upstream.
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Alpha formats in DRM are assumed to be premultiplied, so we should be
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setting the PREMULT bit in the plane configuration for HVS.
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Changes from v1:
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- Use correct has_alpha
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Signed-off-by: Stefan Schake <stschake@gmail.com>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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Link: https://patchwork.freedesktop.org/patch/msgid/1520556817-97297-2-git-send-email-stschake@gmail.com
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 3 ++-
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drivers/gpu/drm/vc4/vc4_regs.h | 1 +
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2 files changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -619,13 +619,14 @@ static int vc4_plane_mode_set(struct drm
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SCALER_POS1_SCL_HEIGHT));
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}
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- /* Position Word 2: Source Image Size, Alpha Mode */
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+ /* Position Word 2: Source Image Size, Alpha */
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vc4_state->pos2_offset = vc4_state->dlist_count;
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vc4_dlist_write(vc4_state,
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VC4_SET_FIELD(format->has_alpha ?
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SCALER_POS2_ALPHA_MODE_PIPELINE :
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SCALER_POS2_ALPHA_MODE_FIXED,
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SCALER_POS2_ALPHA_MODE) |
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+ (format->has_alpha ? SCALER_POS2_ALPHA_PREMULT : 0) |
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VC4_SET_FIELD(vc4_state->src_w[0], SCALER_POS2_WIDTH) |
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VC4_SET_FIELD(vc4_state->src_h[0], SCALER_POS2_HEIGHT));
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--- a/drivers/gpu/drm/vc4/vc4_regs.h
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+++ b/drivers/gpu/drm/vc4/vc4_regs.h
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@@ -877,6 +877,7 @@ enum hvs_pixel_format {
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#define SCALER_POS2_ALPHA_MODE_FIXED 1
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#define SCALER_POS2_ALPHA_MODE_FIXED_NONZERO 2
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#define SCALER_POS2_ALPHA_MODE_FIXED_OVER_0x07 3
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+#define SCALER_POS2_ALPHA_PREMULT BIT(29)
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#define SCALER_POS2_HEIGHT_MASK VC4_MASK(27, 16)
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#define SCALER_POS2_HEIGHT_SHIFT 16
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