You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 069acde1ae77a0807062df0b009a51809cb3aa2a Mon Sep 17 00:00:00 2001
|
|
From: Mario Kleiner <mario.kleiner.de@gmail.com>
|
|
Date: Tue, 19 Jul 2016 20:58:57 +0200
|
|
Subject: [PATCH] drm/vc4: Disallow interlaced modes on DPI.
|
|
|
|
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>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_dpi.c | 11 +++++++++++
|
|
1 file changed, 11 insertions(+)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
@@ -349,9 +349,20 @@ static void vc4_dpi_encoder_enable(struc
|
|
}
|
|
}
|
|
|
|
+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[] = {
|