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drm: rcar-du: Add interlaced feature flag

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Upcoming implementations of the R-Car DU have removed support for
interlaced display pipelines. Provide a means to determine this based on
the feature flags of the hardware configuration structs.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Kieran Bingham 2018-08-20 17:00:44 +01:00 committed by Laurent Pinchart
parent c14f63abeb
commit c6e3194a3b
3 changed files with 36 additions and 11 deletions
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14
drivers/gpu/drm/rcar-du/rcar_du_crtc.c
View file

@ -681,11 +681,25 @@ static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc,
rcar_du_vsp_atomic_flush(rcrtc);
}
enum drm_mode_status rcar_du_crtc_mode_valid(struct drm_crtc *crtc,
const struct drm_display_mode *mode)
{
struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
struct rcar_du_device *rcdu = rcrtc->group->dev;
bool interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
if (interlaced && !rcar_du_has(rcdu, RCAR_DU_FEATURE_INTERLACED))
return MODE_NO_INTERLACE;
return MODE_OK;
}
static const struct drm_crtc_helper_funcs crtc_helper_funcs = {
.atomic_begin = rcar_du_crtc_atomic_begin,
.atomic_flush = rcar_du_crtc_atomic_flush,
.atomic_enable = rcar_du_crtc_atomic_enable,
.atomic_disable = rcar_du_crtc_atomic_disable,
.mode_valid = rcar_du_crtc_mode_valid,
};
static void rcar_du_crtc_crc_init(struct rcar_du_crtc *rcrtc)

32
drivers/gpu/drm/rcar-du/rcar_du_drv.c
View file

@ -35,7 +35,8 @@
static const struct rcar_du_device_info rzg1_du_r8a7743_info = {
.gen = 2,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS,
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(1) | BIT(0),
.routes = {
/*
@ -56,7 +57,8 @@ static const struct rcar_du_device_info rzg1_du_r8a7743_info = {
static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
.gen = 2,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS,
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(1) | BIT(0),
.routes = {
/*
@ -75,7 +77,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
static const struct rcar_du_device_info rcar_du_r8a7779_info = {
.gen = 2,
.features = 0,
.features = RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(1) | BIT(0),
.routes = {
/*
@ -96,7 +98,8 @@ static const struct rcar_du_device_info rcar_du_r8a7779_info = {
static const struct rcar_du_device_info rcar_du_r8a7790_info = {
.gen = 2,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS,
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_INTERLACED,
.quirks = RCAR_DU_QUIRK_ALIGN_128B,
.channels_mask = BIT(2) | BIT(1) | BIT(0),
.routes = {
@ -124,7 +127,8 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = {
static const struct rcar_du_device_info rcar_du_r8a7791_info = {
.gen = 2,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS,
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(1) | BIT(0),
.routes = {
/*
@ -146,7 +150,8 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = {
static const struct rcar_du_device_info rcar_du_r8a7792_info = {
.gen = 2,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS,
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(1) | BIT(0),
.routes = {
/* R8A7792 has two RGB outputs. */
@ -164,7 +169,8 @@ static const struct rcar_du_device_info rcar_du_r8a7792_info = {
static const struct rcar_du_device_info rcar_du_r8a7794_info = {
.gen = 2,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS,
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(1) | BIT(0),
.routes = {
/*
@ -186,7 +192,8 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = {
.gen = 3,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_VSP1_SOURCE,
| RCAR_DU_FEATURE_VSP1_SOURCE
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(3) | BIT(2) | BIT(1) | BIT(0),
.routes = {
/*
@ -218,7 +225,8 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = {
.gen = 3,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_VSP1_SOURCE,
| RCAR_DU_FEATURE_VSP1_SOURCE
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(2) | BIT(1) | BIT(0),
.routes = {
/*
@ -246,7 +254,8 @@ static const struct rcar_du_device_info rcar_du_r8a77965_info = {
.gen = 3,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_VSP1_SOURCE,
| RCAR_DU_FEATURE_VSP1_SOURCE
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(3) | BIT(1) | BIT(0),
.routes = {
/*
@ -274,7 +283,8 @@ static const struct rcar_du_device_info rcar_du_r8a77970_info = {
.gen = 3,
.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
| RCAR_DU_FEATURE_EXT_CTRL_REGS
| RCAR_DU_FEATURE_VSP1_SOURCE,
| RCAR_DU_FEATURE_VSP1_SOURCE
| RCAR_DU_FEATURE_INTERLACED,
.channels_mask = BIT(0),
.routes = {
/* R8A77970 has one RGB output and one LVDS output. */

1
drivers/gpu/drm/rcar-du/rcar_du_drv.h
View file

@ -26,6 +26,7 @@ struct rcar_du_device;
#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK BIT(0) /* Per-CRTC IRQ and clock */
#define RCAR_DU_FEATURE_EXT_CTRL_REGS BIT(1) /* Has extended control registers */
#define RCAR_DU_FEATURE_VSP1_SOURCE BIT(2) /* Has inputs from VSP1 */
#define RCAR_DU_FEATURE_INTERLACED BIT(3) /* HW supports interlaced */
#define RCAR_DU_QUIRK_ALIGN_128B BIT(0) /* Align pitches to 128 bytes */