[PATCH 120/150] KMS: fix EDID detailed timing frame rate

Luis Henriques luis.henriques at canonical.com
Tue Mar 26 15:20:19 UTC 2013


3.5.7.9 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Torsten Duwe <torsten at lst.de>

commit c19b3b0f6eed552952845e4ad908dba2113d67b4 upstream.

When KMS has parsed an EDID "detailed timing", it leaves the frame rate
zeroed.  Consecutive (debug-) output of that mode thus yields 0 for
vsync.  This simple fix also speeds up future invocations of
drm_mode_vrefresh().

While it is debatable whether this qualifies as a -stable fix I'd apply
it for consistency's sake; drm_helper_probe_single_connector_modes()
does the same thing already for all probed modes.

Signed-off-by: Torsten Duwe <duwe at lst.de>
Signed-off-by: Linus Torvalds <torvalds at linux-foundation.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/gpu/drm/drm_edid.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f689958..c674823 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -957,6 +957,7 @@ set_size:
 	}
 
 	mode->type = DRM_MODE_TYPE_DRIVER;
+	mode->vrefresh = drm_mode_vrefresh(mode);
 	drm_mode_set_name(mode);
 
 	return mode;
-- 
1.8.1.2





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