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35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
From 6eb9a89c28590203658c0ebcbf29d5b41eb8596a Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Tue, 23 Jul 2019 14:10:31 +0100
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Subject: [PATCH] drm/modes: Don't apply cmdline's rotation if it
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wasn't specified
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Taken from the dri-devel mailing list (11/7/2019) to fixup the cmdline
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parsing, but requires changes as things have moved between 4.19 and 5.2.
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From: Dmitry Osipenko <digetx@gmail.com>
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The rotation mode from cmdline shouldn't be taken into account if it
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wasn't specified in the cmdline. This fixes ignored default display
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orientation when display mode is given using cmdline without the
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rotation being specified.
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Fixes: 1bf4e09227c3 ("drm/modes: Allow to specify rotation and reflection on the commandline")
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Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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drivers/gpu/drm/drm_fb_helper.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/gpu/drm/drm_fb_helper.c
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+++ b/drivers/gpu/drm/drm_fb_helper.c
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@@ -2497,7 +2497,7 @@ static void drm_setup_crtc_rotation(stru
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* simple XOR between the two handle the addition nicely.
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*/
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cmdline = &connector->cmdline_mode;
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- if (cmdline->specified) {
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+ if (cmdline->specified && cmdline->rotation_reflection) {
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unsigned int cmdline_rest, panel_rest;
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unsigned int cmdline_rot, panel_rot;
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unsigned int sum_rot, sum_rest;
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