2018-01-19 19:50:16 +01:00
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From e722c8d112f0aa9621d7d4da5223cfc7aeb45e88 Mon Sep 17 00:00:00 2001
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Message-Id: <e722c8d112f0aa9621d7d4da5223cfc7aeb45e88.1516188238.git.jan.steffens@gmail.com>
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In-Reply-To: <4e54373158caa50df5402fdd3db1794c5394026b.1516188238.git.jan.steffens@gmail.com>
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References: <4e54373158caa50df5402fdd3db1794c5394026b.1516188238.git.jan.steffens@gmail.com>
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2018-01-05 23:24:00 +01:00
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From: Jim Bride <jim.bride@linux.intel.com>
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Date: Mon, 6 Nov 2017 13:38:57 -0800
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2018-01-19 19:50:16 +01:00
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Subject: [PATCH 4/4] drm/i915/edp: Only use the alternate fixed mode if it's
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2018-01-05 23:24:00 +01:00
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asked for
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In commit dc911f5bd8aa ("drm/i915/edp: Allow alternate fixed mode for
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eDP if available."), the patch allows for the use of an alternate fixed
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mode if it is available, but the patch was not ensuring that the only
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time the alternate mode is used is when it is specifically requested.
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This patch adds an additional comparison to intel_edp_compare_alt_mode
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to ensure that we only use the alternate mode if it is directly
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requested.
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Fixes: dc911f5bd8aac ("Allow alternate fixed mode for eDP if available.")
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Cc: David Weinehall <david.weinehall@linux.intel.com>
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Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Signed-off-by: Jim Bride <jim.bride@linux.intel.com>
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---
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drivers/gpu/drm/i915/intel_dp.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
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2018-01-19 19:50:16 +01:00
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index 09f274419eea..838cee312e8e 100644
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2018-01-05 23:24:00 +01:00
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--- a/drivers/gpu/drm/i915/intel_dp.c
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+++ b/drivers/gpu/drm/i915/intel_dp.c
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@@ -1632,7 +1632,8 @@ static bool intel_edp_compare_alt_mode(struct drm_display_mode *m1,
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m1->vdisplay == m2->vdisplay &&
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m1->vsync_start == m2->vsync_start &&
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m1->vsync_end == m2->vsync_end &&
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- m1->vtotal == m2->vtotal);
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+ m1->vtotal == m2->vtotal &&
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+ m1->vrefresh == m2->vrefresh);
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return bres;
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}
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--
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2.15.1
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