summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c13
-rw-r--r--drivers/gpu/drm/imx/imx-drm.h7
-rw-r--r--drivers/gpu/drm/imx/imx-tve.c6
-rw-r--r--drivers/gpu/drm/imx/ipuv3-crtc.c10
-rw-r--r--drivers/gpu/drm/imx/parallel-display.c4
5 files changed, 25 insertions, 15 deletions
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 1f14b602882b..82656654fb21 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -97,8 +97,8 @@ static struct imx_drm_crtc *imx_drm_find_crtc(struct drm_crtc *crtc)
return NULL;
}
-int imx_drm_set_bus_format_pins(struct drm_encoder *encoder, u32 bus_format,
- int hsync_pin, int vsync_pin)
+int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format,
+ int hsync_pin, int vsync_pin, u32 bus_flags)
{
struct imx_drm_crtc_helper_funcs *helper;
struct imx_drm_crtc *imx_crtc;
@@ -110,14 +110,17 @@ int imx_drm_set_bus_format_pins(struct drm_encoder *encoder, u32 bus_format,
helper = &imx_crtc->imx_drm_helper_funcs;
if (helper->set_interface_pix_fmt)
return helper->set_interface_pix_fmt(encoder->crtc,
- bus_format, hsync_pin, vsync_pin);
+ bus_format, hsync_pin, vsync_pin,
+ bus_flags);
return 0;
}
-EXPORT_SYMBOL_GPL(imx_drm_set_bus_format_pins);
+EXPORT_SYMBOL_GPL(imx_drm_set_bus_config);
int imx_drm_set_bus_format(struct drm_encoder *encoder, u32 bus_format)
{
- return imx_drm_set_bus_format_pins(encoder, bus_format, 2, 3);
+ return imx_drm_set_bus_config(encoder, bus_format, 2, 3,
+ DRM_BUS_FLAG_DE_HIGH |
+ DRM_BUS_FLAG_PIXDATA_NEGEDGE);
}
EXPORT_SYMBOL_GPL(imx_drm_set_bus_format);
diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h
index b0241b9d1334..74320a1723b7 100644
--- a/drivers/gpu/drm/imx/imx-drm.h
+++ b/drivers/gpu/drm/imx/imx-drm.h
@@ -19,7 +19,8 @@ struct imx_drm_crtc_helper_funcs {
int (*enable_vblank)(struct drm_crtc *crtc);
void (*disable_vblank)(struct drm_crtc *crtc);
int (*set_interface_pix_fmt)(struct drm_crtc *crtc,
- u32 bus_format, int hsync_pin, int vsync_pin);
+ u32 bus_format, int hsync_pin, int vsync_pin,
+ u32 bus_flags);
const struct drm_crtc_helper_funcs *crtc_helper_funcs;
const struct drm_crtc_funcs *crtc_funcs;
};
@@ -41,8 +42,8 @@ void imx_drm_mode_config_init(struct drm_device *drm);
struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb);
-int imx_drm_set_bus_format_pins(struct drm_encoder *encoder,
- u32 bus_format, int hsync_pin, int vsync_pin);
+int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format,
+ int hsync_pin, int vsync_pin, u32 bus_flags);
int imx_drm_set_bus_format(struct drm_encoder *encoder,
u32 bus_format);
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index ae7a9fb3b8a2..baf788121287 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -294,8 +294,10 @@ static void imx_tve_encoder_prepare(struct drm_encoder *encoder)
switch (tve->mode) {
case TVE_MODE_VGA:
- imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_GBR888_1X24,
- tve->hsync_pin, tve->vsync_pin);
+ imx_drm_set_bus_config(encoder, MEDIA_BUS_FMT_GBR888_1X24,
+ tve->hsync_pin, tve->vsync_pin,
+ DRM_BUS_FLAG_DE_HIGH |
+ DRM_BUS_FLAG_PIXDATA_NEGEDGE);
break;
case TVE_MODE_TVOUT:
imx_drm_set_bus_format(encoder, MEDIA_BUS_FMT_YUV8_1X24);
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index b2c30b8d9816..fc040417e1e8 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -66,6 +66,7 @@ struct ipu_crtc {
struct ipu_flip_work *flip_work;
int irq;
u32 bus_format;
+ u32 bus_flags;
int di_hsync_pin;
int di_vsync_pin;
};
@@ -271,8 +272,10 @@ static int ipu_crtc_mode_set(struct drm_crtc *crtc,
else
sig_cfg.clkflags = 0;
- sig_cfg.enable_pol = 1;
- sig_cfg.clk_pol = 0;
+ sig_cfg.enable_pol = !(ipu_crtc->bus_flags & DRM_BUS_FLAG_DE_LOW);
+ /* Default to driving pixel data on negative clock edges */
+ sig_cfg.clk_pol = !!(ipu_crtc->bus_flags &
+ DRM_BUS_FLAG_PIXDATA_POSEDGE);
sig_cfg.bus_format = ipu_crtc->bus_format;
sig_cfg.v_to_h_sync = 0;
sig_cfg.hsync_pin = ipu_crtc->di_hsync_pin;
@@ -396,11 +399,12 @@ static void ipu_disable_vblank(struct drm_crtc *crtc)
}
static int ipu_set_interface_pix_fmt(struct drm_crtc *crtc,
- u32 bus_format, int hsync_pin, int vsync_pin)
+ u32 bus_format, int hsync_pin, int vsync_pin, u32 bus_flags)
{
struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc);
ipu_crtc->bus_format = bus_format;
+ ipu_crtc->bus_flags = bus_flags;
ipu_crtc->di_hsync_pin = hsync_pin;
ipu_crtc->di_vsync_pin = vsync_pin;
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 27755ecbf516..2c442516d4c7 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -115,8 +115,8 @@ static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode)
static void imx_pd_encoder_prepare(struct drm_encoder *encoder)
{
struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);
-
- imx_drm_set_bus_format(encoder, imxpd->bus_format);
+ imx_drm_set_bus_config(encoder, imxpd->bus_format, 2, 3,
+ imxpd->connector.display_info.bus_flags);
}
static void imx_pd_encoder_commit(struct drm_encoder *encoder)