39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
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From b50d1c7f698c88b790aa3d13a40fd67292b15c16 Mon Sep 17 00:00:00 2001
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From: Paolo Sabatino <paolo.sabatino@gmail.com>
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Date: Sun, 29 May 2022 10:57:59 +0000
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Subject: [PATCH] prefer 8-bit RGB over YCbCr
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---
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drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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index 115d610c5c3..975e4ef6ef4 100644
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--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -2658,6 +2658,10 @@ static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
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output_fmts[i++] = MEDIA_BUS_FMT_RGB101010_1X30;
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}
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+ /* Prefer 8-bit RGB over YCbCr formats */
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+ if (is_tmds_allowed(info, mode, MEDIA_BUS_FMT_RGB888_1X24))
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+ output_fmts[i++] = MEDIA_BUS_FMT_RGB888_1X24;
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+
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if ((info->color_formats & DRM_COLOR_FORMAT_YCBCR422) &&
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is_tmds_allowed(info, mode, MEDIA_BUS_FMT_UYVY8_1X16))
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output_fmts[i++] = MEDIA_BUS_FMT_UYVY8_1X16;
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@@ -2666,10 +2670,6 @@ static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
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is_tmds_allowed(info, mode, MEDIA_BUS_FMT_YUV8_1X24))
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output_fmts[i++] = MEDIA_BUS_FMT_YUV8_1X24;
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- /* Default 8bit RGB fallback */
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- if (is_tmds_allowed(info, mode, MEDIA_BUS_FMT_RGB888_1X24))
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- output_fmts[i++] = MEDIA_BUS_FMT_RGB888_1X24;
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-
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*num_output_fmts = i;
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return output_fmts;
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--
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2.30.2
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