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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0209-drm-amd-display-Set-ignore_msa_timing-flag-for-frees.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0209-drm-amd-display-Set-ignore_msa_timing-flag-for-frees.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0209-drm-amd-display-Set-ignore_msa_timing-flag-for-frees.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0209-drm-amd-display-Set-ignore_msa_timing-flag-for-frees.patch
new file mode 100644
index 00000000..ece16fbb
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0209-drm-amd-display-Set-ignore_msa_timing-flag-for-frees.patch
@@ -0,0 +1,36 @@
+From 271192494fb224766a82a6d1801e3fdb453b6ca0 Mon Sep 17 00:00:00 2001
+From: Sylvia Tsai <sylvia.tsai@amd.com>
+Date: Thu, 9 Feb 2017 16:35:39 -0500
+Subject: [PATCH 0209/4131] drm/amd/display: Set ignore_msa_timing flag for
+ freesync modes
+
+- Set ignore_msa_timing_param to 1 only for modes that can support freesync
+
+Signed-off-by: Sylvia Tsai <sylvia.tsai@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+index 1ee7327..b00b1df 100644
+--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
++++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+@@ -262,7 +262,11 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
+ enable_for_video = false;
+ }
+
+- if (caps->supported)
++ unsigned int nom_refresh_rate_micro_hz = (unsigned int)
++ (((unsigned long long) core_stream->public.timing.pix_clk_khz) * 1000ULL * 1000ULL * 1000ULL
++ / core_stream->public.timing.h_total / core_stream->public.timing.v_total);
++
++ if (caps->supported && nom_refresh_rate_micro_hz >= caps->min_refresh_in_micro_hz && nom_refresh_rate_micro_hz <= caps->max_refresh_in_micro_hz)
+ core_stream->public.ignore_msa_timing_param = 1;
+
+ core_freesync->num_entities++;
+--
+2.7.4
+