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drm/omap: venc: Simplify mode setting by caching configuration

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The mode setting handler of the VENC stores the video mode internally,
to then convert it to a configuration when programming the hardware. The
stored mode is otherwise unused. Cache the configuration directly
instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart 2018-09-20 01:47:17 +03:00 committed by Tomi Valkeinen
parent 116c772107
commit d60dfaba42
1 changed files with 34 additions and 34 deletions
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68
drivers/gpu/drm/omapdrm/dss/venc.c
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@ -301,24 +301,6 @@ static const struct videomode omap_dss_ntsc_vm = {
DISPLAY_FLAGS_SYNC_NEGEDGE,
};
static enum venc_videomode venc_get_videomode(const struct videomode *vm)
{
if (!(vm->flags & DISPLAY_FLAGS_INTERLACED))
return VENC_MODE_UNKNOWN;
if (vm->pixelclock == omap_dss_pal_vm.pixelclock &&
vm->hactive == omap_dss_pal_vm.hactive &&
vm->vactive == omap_dss_pal_vm.vactive)
return VENC_MODE_PAL;
if (vm->pixelclock == omap_dss_ntsc_vm.pixelclock &&
vm->hactive == omap_dss_ntsc_vm.hactive &&
vm->vactive == omap_dss_ntsc_vm.vactive)
return VENC_MODE_NTSC;
return VENC_MODE_UNKNOWN;
}
struct venc_device {
struct platform_device *pdev;
void __iomem *base;
@ -330,7 +312,7 @@ struct venc_device {
struct clk *tv_dac_clk;
struct videomode vm;
const struct venc_config *config;
enum omap_dss_venc_type type;
bool invert_polarity;
bool requires_tv_dac_clk;
@ -450,18 +432,6 @@ static void venc_runtime_put(struct venc_device *venc)
WARN_ON(r < 0 && r != -ENOSYS);
}
static const struct venc_config *venc_timings_to_config(const struct videomode *vm)
{
switch (venc_get_videomode(vm)) {
default:
WARN_ON_ONCE(1);
case VENC_MODE_PAL:
return &venc_config_pal_trm;
case VENC_MODE_NTSC:
return &venc_config_ntsc_trm;
}
}
static int venc_power_on(struct venc_device *venc)
{
u32 l;
@ -472,7 +442,7 @@ static int venc_power_on(struct venc_device *venc)
goto err0;
venc_reset(venc);
venc_write_config(venc, venc_timings_to_config(&venc->vm));
venc_write_config(venc, venc->config);
dss_set_venc_output(venc->dss, venc->type);
dss_set_dac_pwrdn_bgz(venc->dss, 1);
@ -574,16 +544,46 @@ static int venc_get_modes(struct omap_dss_device *dssdev,
return ARRAY_SIZE(modes);
}
static enum venc_videomode venc_get_videomode(const struct videomode *vm)
{
if (!(vm->flags & DISPLAY_FLAGS_INTERLACED))
return VENC_MODE_UNKNOWN;
if (vm->pixelclock == omap_dss_pal_vm.pixelclock &&
vm->hactive == omap_dss_pal_vm.hactive &&
vm->vactive == omap_dss_pal_vm.vactive)
return VENC_MODE_PAL;
if (vm->pixelclock == omap_dss_ntsc_vm.pixelclock &&
vm->hactive == omap_dss_ntsc_vm.hactive &&
vm->vactive == omap_dss_ntsc_vm.vactive)
return VENC_MODE_NTSC;
return VENC_MODE_UNKNOWN;
}
static void venc_set_timings(struct omap_dss_device *dssdev,
const struct videomode *vm)
{
struct venc_device *venc = dssdev_to_venc(dssdev);
enum venc_videomode venc_mode = venc_get_videomode(vm);
DSSDBG("venc_set_timings\n");
mutex_lock(&venc->venc_lock);
venc->vm = *vm;
switch (venc_mode) {
default:
WARN_ON_ONCE(1);
/* Fall-through */
case VENC_MODE_PAL:
venc->config = &venc_config_pal_trm;
break;
case VENC_MODE_NTSC:
venc->config = &venc_config_ntsc_trm;
break;
}
dispc_set_tv_pclk(venc->dss->dispc, 13500000);
@ -854,7 +854,7 @@ static int venc_probe(struct platform_device *pdev)
mutex_init(&venc->venc_lock);
venc->vm = omap_dss_pal_vm;
venc->config = &venc_config_pal_trm;
venc_mem = platform_get_resource(venc->pdev, IORESOURCE_MEM, 0);
venc->base = devm_ioremap_resource(&pdev->dev, venc_mem);