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39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
From 3c0fe31689c380b1ebaaf7327a2585248eacecad Mon Sep 17 00:00:00 2001
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From: Paolo Sabatino <paolo.sabatino@gmail.com>
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Date: Fri, 7 Jul 2023 16:00:15 +0200
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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 36c8dc302de1..2944fc0a236e 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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@@ -2749,10 +2749,6 @@ static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
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* if supported. In any case the default RGB888 format is added
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*/
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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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if (max_bpc >= 16 && info->bpc == 16) {
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if ((info->color_formats & DRM_COLOR_FORMAT_YCBCR444) &&
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is_tmds_allowed(info, mode, MEDIA_BUS_FMT_YUV16_1X48))
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@@ -2788,6 +2784,10 @@ 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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--
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2.34.1
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