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24d84a13a4
Manually rebased:
ramips/patches-5.10/810-uvc-add-iPassion-iP2970-support.patch
All other patches automatically rebased.
Signed-off-by: John Audia <therealgraysky@proton.me>
(cherry picked from commit d4aad642ff)
35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
From 9a5326f4c3a3a066802886f1e09216a1894c943d Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 12 Feb 2021 17:31:37 +0000
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Subject: [PATCH] drm/vc4: Change the default DPI format to being
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18bpp, not 24.
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DPI hasn't really been used up until now, so the default has
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been meaningless.
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In theory we should be able to pass the desired format for the
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adjacent bridge chip through, but framework seems to be missing
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for that.
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As the main device to use DPI is the VGA666 or Adafruit Kippah,
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both of which use RGB666, change the default to being RGB666 instead
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of RGB888.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_dpi.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_dpi.c
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+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
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@@ -188,8 +188,8 @@ static void vc4_dpi_encoder_enable(struc
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if (connector->display_info.bus_flags & DRM_BUS_FLAG_DE_LOW)
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dpi_c |= DPI_OUTPUT_ENABLE_INVERT;
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} else {
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- /* Default to 24bit if no connector found. */
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- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB, DPI_FORMAT);
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+ /* Default to 18bit if no connector found. */
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+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, DPI_FORMAT);
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}
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if (mode->flags & DRM_MODE_FLAG_NHSYNC)
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