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drm/imx: advertise supported plane format modifiers

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Let userspace know about the supported modifiers, to make automatic
selection of a proper modifier possible.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Lucas Stach 2017-11-10 17:10:01 +01:00 committed by Philipp Zabel
parent 9222f768f7
commit 37aca51b08
1 changed files with 34 additions and 1 deletions
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35
drivers/gpu/drm/imx/ipuv3-plane.c
View file

@ -77,6 +77,18 @@ static const uint32_t ipu_plane_formats[] = {
DRM_FORMAT_BGRX8888_A8,
};
static const uint64_t ipu_format_modifiers[] = {
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static const uint64_t pre_format_modifiers[] = {
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_VIVANTE_TILED,
DRM_FORMAT_MOD_VIVANTE_SUPER_TILED,
DRM_FORMAT_MOD_INVALID
};
int ipu_plane_irq(struct ipu_plane *ipu_plane)
{
return ipu_idmac_channel_irq(ipu_plane->ipu, ipu_plane->ipu_ch,
@ -303,6 +315,22 @@ void ipu_plane_destroy_state(struct drm_plane *plane,
kfree(ipu_state);
}
static bool ipu_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format, uint64_t modifier)
{
struct ipu_soc *ipu = to_ipu_plane(plane)->ipu;
/* linear is supported for all planes and formats */
if (modifier == DRM_FORMAT_MOD_LINEAR)
return true;
/* without a PRG there are no supported modifiers */
if (!ipu_prg_present(ipu))
return false;
return ipu_prg_format_supported(ipu, format, modifier);
}
static const struct drm_plane_funcs ipu_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@ -310,6 +338,7 @@ static const struct drm_plane_funcs ipu_plane_funcs = {
.reset = ipu_plane_state_reset,
.atomic_duplicate_state = ipu_plane_duplicate_state,
.atomic_destroy_state = ipu_plane_destroy_state,
.format_mod_supported = ipu_plane_format_mod_supported,
};
static int ipu_plane_atomic_check(struct drm_plane *plane,
@ -784,6 +813,7 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
enum drm_plane_type type)
{
struct ipu_plane *ipu_plane;
const uint64_t *modifiers = ipu_format_modifiers;
int ret;
DRM_DEBUG_KMS("channel %d, dp flow %d, possible_crtcs=0x%x\n",
@ -799,10 +829,13 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
ipu_plane->dma = dma;
ipu_plane->dp_flow = dp;
if (ipu_prg_present(ipu))
modifiers = pre_format_modifiers;
ret = drm_universal_plane_init(dev, &ipu_plane->base, possible_crtcs,
&ipu_plane_funcs, ipu_plane_formats,
ARRAY_SIZE(ipu_plane_formats),
NULL, type, NULL);
modifiers, type, NULL);
if (ret) {
DRM_ERROR("failed to initialize plane\n");
kfree(ipu_plane);