Reduced blanking is valid only when doing CVT modes. Also, generate GTF
modes unless CVT was requested; CVT devices are required to support GTF,
but the reverse is not true.
Signed-off-by: Adam Jackson <a...@redhat.com>
---
drivers/gpu/drm/drm_fb_helper.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index b3779d2..dc48806 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -146,7 +146,7 @@ static bool
drm_fb_helper_connector_parse_command_line(struct drm_fb_helper_conn
cvt = 1;
break;
case 'R':
- if (!cvt)
+ if (cvt)
rb = 1;
break;
case 'm':
@@ -1024,11 +1024,18 @@ static struct drm_display_mode
*drm_pick_cmdline_mode(struct drm_fb_helper_conne
}
create_mode:
- mode = drm_cvt_mode(fb_helper_conn->connector->dev, cmdline_mode->xres,
- cmdline_mode->yres,
- cmdline_mode->refresh_specified ?
cmdline_mode->refresh : 60,
- cmdline_mode->rb, cmdline_mode->interlace,
- cmdline_mode->margins);
+ if (cmdline_mode->cvt)
+ mode = drm_cvt_mode(fb_helper_conn->connector->dev,
+ cmdline_mode->xres, cmdline_mode->yres,
+ cmdline_mode->refresh_specified ?
cmdline_mode->refresh : 60,
+ cmdline_mode->rb, cmdline_mode->interlace,
+ cmdline_mode->margins);
+ else
+ mode = drm_gtf_mode(fb_helper_conn->connector->dev,
+ cmdline_mode->xres, cmdline_mode->y_res,
+ cmdline_mode->refresh_specified ?
cmdline_mode->refresh : 60,
+ cmdline_mode->interlace,
+ cmdline_mode->margins);
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
list_add(&mode->head, &fb_helper_conn->connector->modes);
return mode;
--
1.7.0.1
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