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authorLothar Waßmann <LW@KARO-electronics.de>2016-07-12 16:30:03 +0300
committerPhilipp Zabel <p.zabel@pengutronix.de>2016-08-08 12:44:20 +0300
commitfafc79ef2e9148d0085585b6b71bc7154c14ebb6 (patch)
treefc10a39232083944ec0727f71ac6c16a8e647fcd /drivers/gpu/drm/imx/parallel-display.c
parentd72daa0d75e8fe71368113350254b9da2c64b235 (diff)
downloadlinux-fafc79ef2e9148d0085585b6b71bc7154c14ebb6.tar.xz
drm/imx: convey the pixelclk-active and de-active flags from DT to the ipu-di driver
The 'de-active' and 'pixelclk-active' DT properties are evaluated by of_parse_display_timing() called from of_get_drm_display_mode(), but later lost in the conversion from videomode.flags to drm_display_mode.flags. Enhance of_get_drm_display_mode() to also return the bus flags in a separate variable, so that they can be passed on to the ipu-di driver. Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx/parallel-display.c')
-rw-r--r--drivers/gpu/drm/imx/parallel-display.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 1dad297b01fd..74b0ac06fdab 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -33,6 +33,7 @@ struct imx_parallel_display {
void *edid;
int edid_len;
u32 bus_format;
+ u32 bus_flags;
struct drm_display_mode mode;
struct drm_panel *panel;
struct drm_bridge *bridge;
@@ -80,6 +81,7 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
return -EINVAL;
ret = of_get_drm_display_mode(np, &imxpd->mode,
+ &imxpd->bus_flags,
OF_USE_NATIVE_MODE);
if (ret)
return ret;
@@ -125,11 +127,13 @@ static int imx_pd_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_display_info *di = &conn_state->connector->display_info;
struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);
- imx_crtc_state->bus_flags = di->bus_flags;
- if (!imxpd->bus_format && di->num_bus_formats)
+ if (!imxpd->bus_format && di->num_bus_formats) {
+ imx_crtc_state->bus_flags = di->bus_flags;
imx_crtc_state->bus_format = di->bus_formats[0];
- else
+ } else {
+ imx_crtc_state->bus_flags = imxpd->bus_flags;
imx_crtc_state->bus_format = imxpd->bus_format;
+ }
imx_crtc_state->di_hsync_pin = 2;
imx_crtc_state->di_vsync_pin = 3;