On Tue, 03 May 2016, Vitaly Prosyak vitaly.prosyak@amd.com wrote:
Do calculation of vsync and hsync from range limits EDID block according to the spec. EDID 1.4.
Signed-off-by: Vitaly Prosyak vitaly.prosyak@amd.com
drivers/gpu/drm/drm_edid.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 7e49962..601152b 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1977,11 +1977,11 @@ mode_in_hsync_range(const struct drm_display_mode *mode, int hsync, hmin, hmax;
hmin = t[7];
- if (edid->revision >= 4)
hmin += ((t[4] & 0x04) ? 255 : 0);
- if (edid->revision >= 4 && ((t[4] & 0x0c) == 0x0c))
hmin += 255 ;
- if (edid->revision >= 4)
hmax += ((t[4] & 0x08) ? 255 : 0);
if (edid->revision >= 4 && (t[4] & 0x08))
hmax += 255;hsync = drm_mode_hsync(mode);
return (hsync <= hmax && hsync >= hmin);
@@ -1994,11 +1994,11 @@ mode_in_vsync_range(const struct drm_display_mode *mode, int vsync, vmin, vmax;
vmin = t[5];
- if (edid->revision >= 4)
vmin += ((t[4] & 0x01) ? 255 : 0);
- if (edid->revision >= 4 && ((t[4] & 0x03) == 0x03))
vmin += 255;
- if (edid->revision >= 4)
vmax += ((t[4] & 0x02) ? 255 : 0);
- if (edid->revision >= 4 && (t[4] & 0x02))
vmax += 255;
Please fix the indentation to use tabs on the lines you change while you're at it.
BR, Jani.
vsync = drm_mode_vrefresh(mode);
return (vsync <= vmax && vsync >= vmin);