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authorPaul Parsons <lost.distance@yahoo.com>2016-04-02 11:08:06 +0100
committerJani Nikula <jani.nikula@intel.com>2016-04-05 11:05:07 +0300
commit87707cfdc387681dc702f00dfcffc26ca0bc5f71 (patch)
treed8611707d153faab1a4a8ead81219a5d0bf24573 /drivers/gpu/drm/drm_edid.c
parentd59a1f71ff1aeda4b4630df92d3ad4e3b1dfc885 (diff)
downloadop-kernel-dev-87707cfdc387681dc702f00dfcffc26ca0bc5f71.zip
op-kernel-dev-87707cfdc387681dc702f00dfcffc26ca0bc5f71.tar.gz
drm/edid: Fix EDID Established Timings I and II
Three of the VESA DMT timings in edid_est_modes[] are slightly off. 1. 640x480@72Hz vsync_end should be 492, not 491. 2. 640x480@60Hz clock should be 25175, not 25200. 3. 1024x768@75Hz clock should be 78750, not 78800. This patch corrects those timings per the VESA DMT specification, and thus brings them into line with the identical timings in drm_dmt_modes[]. Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160402100817.B60776E23A@gabe.freedesktop.org
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 414d7f6..9454118 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -522,12 +522,12 @@ static const struct drm_display_mode edid_est_modes[] = {
720, 840, 0, 480, 481, 484, 500, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
- 704, 832, 0, 480, 489, 491, 520, 0,
+ 704, 832, 0, 480, 489, 492, 520, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
768, 864, 0, 480, 483, 486, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
- { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656,
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
752, 800, 0, 480, 490, 492, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
@@ -539,7 +539,7 @@ static const struct drm_display_mode edid_est_modes[] = {
{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
- { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040,
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
1136, 1312, 0, 768, 769, 772, 800, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
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