raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 10:00:17 +00:00
Code Issues Projects Releases Wiki Activity

drm/vc4: Disallow interlaced modes on DPI.

Browse Source 
We already don't expose such modes to userspace, but make
sure userspace can't sneak some interlaced mode in.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Mario Kleiner
2016-07-19 20:58:57 +02:00
committed by Phil Elwell
parent b68c866ce4
commit d0a7675d8e
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/vc4/vc4_dpi.c
View File

@@ -349,9 +349,20 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
}
}
static bool vc4_dpi_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
return false;
return true;
}
static const struct drm_encoder_helper_funcs vc4_dpi_encoder_helper_funcs = {
.disable = vc4_dpi_encoder_disable,
.enable = vc4_dpi_encoder_enable,
.mode_fixup = vc4_dpi_encoder_mode_fixup,
};
static const struct of_device_id vc4_dpi_dt_match[] = {