From 061d8919639b1bf7b3469ff987a916f7fdff8690 Mon Sep 17 00:00:00 2001 From: jc_gargma Date: Fri, 12 Jan 2018 22:01:17 -0800 Subject: Initial commit --- ...the-alternate-fixed-mode-if-its-asked-for.patch | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 drm-i915-edp-Only-use-the-alternate-fixed-mode-if-its-asked-for.patch (limited to 'drm-i915-edp-Only-use-the-alternate-fixed-mode-if-its-asked-for.patch') diff --git a/drm-i915-edp-Only-use-the-alternate-fixed-mode-if-its-asked-for.patch b/drm-i915-edp-Only-use-the-alternate-fixed-mode-if-its-asked-for.patch new file mode 100644 index 0000000..6421206 --- /dev/null +++ b/drm-i915-edp-Only-use-the-alternate-fixed-mode-if-its-asked-for.patch @@ -0,0 +1,39 @@ +From e9b8250407ae73faa7ac543f7f260b4b2f34ebd8 Mon Sep 17 00:00:00 2001 +From: Jim Bride +Date: Mon, 6 Nov 2017 13:38:57 -0800 +Subject: [PATCH] drm/i915/edp: Only use the alternate fixed mode if it's asked + for + +In commit dc911f5bd8aa ("drm/i915/edp: Allow alternate fixed mode for +eDP if available."), the patch allows for the use of an alternate fixed +mode if it is available, but the patch was not ensuring that the only +time the alternate mode is used is when it is specifically requested. +This patch adds an additional comparison to intel_edp_compare_alt_mode +to ensure that we only use the alternate mode if it is directly +requested. + +Fixes: dc911f5bd8aac ("Allow alternate fixed mode for eDP if available.") +Cc: David Weinehall +Cc: Rodrigo Vivi +Signed-off-by: Jim Bride +--- + drivers/gpu/drm/i915/intel_dp.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c +index d27c014..8164c59 100644 +--- a/drivers/gpu/drm/i915/intel_dp.c ++++ b/drivers/gpu/drm/i915/intel_dp.c +@@ -1621,7 +1621,8 @@ static bool intel_edp_compare_alt_mode(struct drm_display_mode *m1, + m1->vdisplay == m2->vdisplay && + m1->vsync_start == m2->vsync_start && + m1->vsync_end == m2->vsync_end && +- m1->vtotal == m2->vtotal); ++ m1->vtotal == m2->vtotal && ++ m1->vrefresh == m2->vrefresh); + return bres; + } + +-- +2.7.4 + -- cgit v1.2.1