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authorBoris Brezillon <boris.brezillon@free-electrons.com>2016-01-05 18:27:49 +0100
committerBoris Brezillon <boris.brezillon@free-electrons.com>2016-04-14 09:17:28 +0200
commit5ac44c8b061653119456921e2e4aa78668b9f3d9 (patch)
tree686495b1844dbf9efd5f5fd4396aed6ed7972011
parent17a8e03e7e97d3445ec60a16a234149ca51e96fb (diff)
drm: atmel-hlcdc: check display mode validity in crtc->mode_fixup()
Move the adjusted display mode check into ->mode_fixup(). Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Nicolas Ferre <nicolas.ferre@atmel.com>
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index 021bd21..bd35a8a 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -142,6 +142,15 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
cfg);
}
+static bool atmel_hlcdc_crtc_mode_fixup(struct drm_crtc *c,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
+
+ return atmel_hlcdc_dc_mode_valid(crtc->dc, adjusted_mode) == MODE_OK;
+}
+
static void atmel_hlcdc_crtc_disable(struct drm_crtc *c)
{
struct drm_device *dev = c->dev;
@@ -304,12 +313,8 @@ static int atmel_hlcdc_crtc_select_output_mode(struct drm_crtc_state *state)
static int atmel_hlcdc_crtc_atomic_check(struct drm_crtc *c,
struct drm_crtc_state *s)
{
- struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
int ret;
- if (atmel_hlcdc_dc_mode_valid(crtc->dc, &s->adjusted_mode) != MODE_OK)
- return -EINVAL;
-
ret = atmel_hlcdc_crtc_select_output_mode(s);
if (ret)
return ret;
@@ -339,6 +344,7 @@ static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc,
}
static const struct drm_crtc_helper_funcs lcdc_crtc_helper_funcs = {
+ .mode_fixup = atmel_hlcdc_crtc_mode_fixup,
.mode_set = drm_helper_crtc_mode_set,
.mode_set_nofb = atmel_hlcdc_crtc_mode_set_nofb,
.mode_set_base = drm_helper_crtc_mode_set_base,