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open-gpu-kernel-modules/kernel-open/nvidia-drm/nvidia-drm-crtc.c
Andy Ritger 1739a20efc
515.43.04
2022-05-09 13:18:59 -07:00

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/*
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "nvidia-drm-conftest.h" /* NV_DRM_ATOMIC_MODESET_AVAILABLE */
#if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
#include "nvidia-drm-helper.h"
#include "nvidia-drm-priv.h"
#include "nvidia-drm-crtc.h"
#include "nvidia-drm-connector.h"
#include "nvidia-drm-encoder.h"
#include "nvidia-drm-utils.h"
#include "nvidia-drm-fb.h"
#include "nvidia-drm-ioctl.h"
#include "nvidia-drm-format.h"
#include "nvmisc.h"
#include <drm/drm_crtc_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#if defined(NV_LINUX_NVHOST_H_PRESENT) && defined(CONFIG_TEGRA_GRHOST)
#include <linux/nvhost.h>
#endif
static void nv_drm_plane_destroy(struct drm_plane *plane)
{
struct nv_drm_plane *nv_plane = to_nv_plane(plane);
/* plane->state gets freed here */
drm_plane_cleanup(plane);
nv_drm_free(nv_plane);
}
static inline void
plane_req_config_disable(struct NvKmsKapiLayerRequestedConfig *req_config)
{
/* Clear layer config */
memset(&req_config->config, 0, sizeof(req_config->config));
/* Set flags to get cleared layer config applied */
req_config->flags.surfaceChanged = NV_TRUE;
req_config->flags.srcXYChanged = NV_TRUE;
req_config->flags.srcWHChanged = NV_TRUE;
req_config->flags.dstXYChanged = NV_TRUE;
req_config->flags.dstWHChanged = NV_TRUE;
}
static inline void
cursor_req_config_disable(struct NvKmsKapiCursorRequestedConfig *req_config)
{
req_config->surface = NULL;
req_config->flags.surfaceChanged = NV_TRUE;
}
static void
cursor_plane_req_config_update(struct drm_plane *plane,
struct drm_plane_state *plane_state,
struct NvKmsKapiCursorRequestedConfig *req_config)
{
struct nv_drm_plane *nv_plane = to_nv_plane(plane);
struct NvKmsKapiCursorRequestedConfig old_config = *req_config;
struct nv_drm_device *nv_dev = to_nv_device(plane->dev);
struct nv_drm_plane_state *nv_drm_plane_state =
to_nv_drm_plane_state(plane_state);
if (plane_state->fb == NULL) {
cursor_req_config_disable(req_config);
return;
}
*req_config = (struct NvKmsKapiCursorRequestedConfig) {
.surface = to_nv_framebuffer(plane_state->fb)->pSurface,
.dstX = plane_state->crtc_x,
.dstY = plane_state->crtc_y,
};
#if defined(NV_DRM_ALPHA_BLENDING_AVAILABLE)
if (plane->blend_mode_property != NULL && plane->alpha_property != NULL) {
switch (plane_state->pixel_blend_mode) {
case DRM_MODE_BLEND_PREMULTI:
req_config->compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_SURFACE_ALPHA;
break;
case DRM_MODE_BLEND_COVERAGE:
req_config->compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_NON_PREMULT_SURFACE_ALPHA;
break;
default:
/*
* We should not hit this, because
* plane_state->pixel_blend_mode should only have values
* registered in
* __nv_drm_plane_create_alpha_blending_properties().
*/
WARN_ON("Unsupported blending mode");
break;
}
req_config->compParams.surfaceAlpha =
plane_state->alpha >> 8;
} else if (plane->blend_mode_property != NULL) {
switch (plane_state->pixel_blend_mode) {
case DRM_MODE_BLEND_PREMULTI:
req_config->compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_ALPHA;
break;
case DRM_MODE_BLEND_COVERAGE:
req_config->compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_NON_PREMULT_ALPHA;
break;
default:
/*
* We should not hit this, because
* plane_state->pixel_blend_mode should only have values
* registered in
* __nv_drm_plane_create_alpha_blending_properties().
*/
WARN_ON("Unsupported blending mode");
break;
}
} else {
req_config->compParams.compMode =
nv_plane->defaultCompositionMode;
}
#else
req_config->compParams.compMode = nv_plane->defaultCompositionMode;
#endif
/*
* Unconditionally mark the surface as changed, even if nothing changed,
* so that we always get a flip event: a DRM client may flip with
* the same surface and wait for a flip event.
*/
req_config->flags.surfaceChanged = NV_TRUE;
if (old_config.surface == NULL &&
old_config.surface != req_config->surface) {
req_config->flags.dstXYChanged = NV_TRUE;
return;
}
req_config->flags.dstXYChanged =
old_config.dstX != req_config->dstX ||
old_config.dstY != req_config->dstY;
}
static int
plane_req_config_update(struct drm_plane *plane,
struct drm_plane_state *plane_state,
struct NvKmsKapiLayerRequestedConfig *req_config)
{
struct nv_drm_plane *nv_plane = to_nv_plane(plane);
struct NvKmsKapiLayerConfig old_config = req_config->config;
struct nv_drm_device *nv_dev = to_nv_device(plane->dev);
struct nv_drm_plane_state *nv_drm_plane_state =
to_nv_drm_plane_state(plane_state);
int ret = 0;
if (plane_state->fb == NULL) {
plane_req_config_disable(req_config);
return 0;
}
*req_config = (struct NvKmsKapiLayerRequestedConfig) {
.config = {
.surface = to_nv_framebuffer(plane_state->fb)->pSurface,
/* Source values are 16.16 fixed point */
.srcX = plane_state->src_x >> 16,
.srcY = plane_state->src_y >> 16,
.srcWidth = plane_state->src_w >> 16,
.srcHeight = plane_state->src_h >> 16,
.dstX = plane_state->crtc_x,
.dstY = plane_state->crtc_y,
.dstWidth = plane_state->crtc_w,
.dstHeight = plane_state->crtc_h,
},
};
#if defined(NV_DRM_ROTATION_AVAILABLE)
/*
* plane_state->rotation is only valid when plane->rotation_property
* is non-NULL.
*/
if (plane->rotation_property != NULL) {
if (plane_state->rotation & DRM_MODE_REFLECT_X) {
req_config->config.rrParams.reflectionX = true;
}
if (plane_state->rotation & DRM_MODE_REFLECT_Y) {
req_config->config.rrParams.reflectionY = true;
}
switch (plane_state->rotation & DRM_MODE_ROTATE_MASK) {
case DRM_MODE_ROTATE_0:
req_config->config.rrParams.rotation = NVKMS_ROTATION_0;
break;
case DRM_MODE_ROTATE_90:
req_config->config.rrParams.rotation = NVKMS_ROTATION_90;
break;
case DRM_MODE_ROTATE_180:
req_config->config.rrParams.rotation = NVKMS_ROTATION_180;
break;
case DRM_MODE_ROTATE_270:
req_config->config.rrParams.rotation = NVKMS_ROTATION_270;
break;
default:
/*
* We should not hit this, because
* plane_state->rotation should only have values
* registered in
* __nv_drm_plane_create_rotation_property().
*/
WARN_ON("Unsupported rotation");
break;
}
}
#endif
#if defined(NV_DRM_ALPHA_BLENDING_AVAILABLE)
if (plane->blend_mode_property != NULL && plane->alpha_property != NULL) {
switch (plane_state->pixel_blend_mode) {
case DRM_MODE_BLEND_PREMULTI:
req_config->config.compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_SURFACE_ALPHA;
break;
case DRM_MODE_BLEND_COVERAGE:
req_config->config.compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_NON_PREMULT_SURFACE_ALPHA;
break;
default:
/*
* We should not hit this, because
* plane_state->pixel_blend_mode should only have values
* registered in
* __nv_drm_plane_create_alpha_blending_properties().
*/
WARN_ON("Unsupported blending mode");
break;
}
req_config->config.compParams.surfaceAlpha =
plane_state->alpha >> 8;
} else if (plane->blend_mode_property != NULL) {
switch (plane_state->pixel_blend_mode) {
case DRM_MODE_BLEND_PREMULTI:
req_config->config.compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_ALPHA;
break;
case DRM_MODE_BLEND_COVERAGE:
req_config->config.compParams.compMode =
NVKMS_COMPOSITION_BLENDING_MODE_NON_PREMULT_ALPHA;
break;
default:
/*
* We should not hit this, because
* plane_state->pixel_blend_mode should only have values
* registered in
* __nv_drm_plane_create_alpha_blending_properties().
*/
WARN_ON("Unsupported blending mode");
break;
}
} else {
req_config->config.compParams.compMode =
nv_plane->defaultCompositionMode;
}
#else
req_config->config.compParams.compMode =
nv_plane->defaultCompositionMode;
#endif
req_config->config.syncptParams.preSyncptSpecified = false;
req_config->config.syncptParams.postSyncptRequested = false;
if (plane_state->fence != NULL || nv_drm_plane_state->fd_user_ptr) {
if (!nv_dev->supportsSyncpts) {
return -1;
}
#if defined(NV_LINUX_NVHOST_H_PRESENT) && defined(CONFIG_TEGRA_GRHOST)
#if defined(NV_NVHOST_DMA_FENCE_UNPACK_PRESENT)
if (plane_state->fence != NULL) {
ret = nvhost_dma_fence_unpack(
plane_state->fence,
&req_config->config.syncptParams.preSyncptId,
&req_config->config.syncptParams.preSyncptValue);
if (ret != 0) {
return ret;
}
req_config->config.syncptParams.preSyncptSpecified = true;
}
#endif
if (nv_drm_plane_state->fd_user_ptr) {
req_config->config.syncptParams.postSyncptRequested = true;
}
#else
return -1;
#endif
}
/*
* Unconditionally mark the surface as changed, even if nothing changed,
* so that we always get a flip event: a DRM client may flip with
* the same surface and wait for a flip event.
*/
req_config->flags.surfaceChanged = NV_TRUE;
if (old_config.surface == NULL &&
old_config.surface != req_config->config.surface) {
req_config->flags.srcXYChanged = NV_TRUE;
req_config->flags.srcWHChanged = NV_TRUE;
req_config->flags.dstXYChanged = NV_TRUE;
req_config->flags.dstWHChanged = NV_TRUE;
return 0;
}
req_config->flags.srcXYChanged =
old_config.srcX != req_config->config.srcX ||
old_config.srcY != req_config->config.srcY;
req_config->flags.srcWHChanged =
old_config.srcWidth != req_config->config.srcWidth ||
old_config.srcHeight != req_config->config.srcHeight;
req_config->flags.dstXYChanged =
old_config.dstX != req_config->config.dstX ||
old_config.dstY != req_config->config.dstY;
req_config->flags.dstWHChanged =
old_config.dstWidth != req_config->config.dstWidth ||
old_config.dstHeight != req_config->config.dstHeight;
return 0;
}
static bool __is_async_flip_requested(const struct drm_plane *plane,
const struct drm_crtc_state *crtc_state)
{
if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
#if defined(NV_DRM_CRTC_STATE_HAS_ASYNC_FLIP)
return crtc_state->async_flip;
#elif defined(NV_DRM_CRTC_STATE_HAS_PAGEFLIP_FLAGS)
return !!(crtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC);
#endif
}
return false;
}
static int __nv_drm_cursor_atomic_check(struct drm_plane *plane,
struct drm_plane_state *plane_state)
{
struct nv_drm_plane *nv_plane = to_nv_plane(plane);
int i;
struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
WARN_ON(nv_plane->layer_idx != NVKMS_KAPI_LAYER_INVALID_IDX);
nv_drm_for_each_crtc_in_state(plane_state->state, crtc, crtc_state, i) {
struct nv_drm_crtc_state *nv_crtc_state = to_nv_crtc_state(crtc_state);
struct NvKmsKapiHeadRequestedConfig *head_req_config =
&nv_crtc_state->req_config;
struct NvKmsKapiCursorRequestedConfig *cursor_req_config =
&head_req_config->cursorRequestedConfig;
if (plane->state->crtc == crtc &&
plane->state->crtc != plane_state->crtc) {
cursor_req_config_disable(cursor_req_config);
continue;
}
if (plane_state->crtc == crtc) {
cursor_plane_req_config_update(plane, plane_state,
cursor_req_config);
}
}
return 0;
}
#if defined(NV_DRM_PLANE_ATOMIC_CHECK_HAS_ATOMIC_STATE_ARG)
static int nv_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_atomic_state *state)
#else
static int nv_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *plane_state)
#endif
{
struct nv_drm_plane *nv_plane = to_nv_plane(plane);
#if defined(NV_DRM_PLANE_ATOMIC_CHECK_HAS_ATOMIC_STATE_ARG)
struct drm_plane_state *plane_state =
drm_atomic_get_new_plane_state(state, plane);
#endif
int i;
struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
int ret;
if (plane->type == DRM_PLANE_TYPE_CURSOR) {
return __nv_drm_cursor_atomic_check(plane, plane_state);
}
WARN_ON(nv_plane->layer_idx == NVKMS_KAPI_LAYER_INVALID_IDX);
nv_drm_for_each_crtc_in_state(plane_state->state, crtc, crtc_state, i) {
struct nv_drm_crtc_state *nv_crtc_state = to_nv_crtc_state(crtc_state);
struct NvKmsKapiHeadRequestedConfig *head_req_config =
&nv_crtc_state->req_config;
struct NvKmsKapiLayerRequestedConfig *plane_requested_config =
&head_req_config->layerRequestedConfig[nv_plane->layer_idx];
if (plane->state->crtc == crtc &&
plane->state->crtc != plane_state->crtc) {
plane_req_config_disable(plane_requested_config);
continue;
}
if (plane_state->crtc == crtc) {
ret = plane_req_config_update(plane,
plane_state,
plane_requested_config);
if (ret != 0) {
return ret;
}
if (__is_async_flip_requested(plane, crtc_state)) {
/*
* Async flip requests that the flip happen 'as soon as
* possible', meaning that it not delay waiting for vblank.
* This may cause tearing on the screen.
*/
plane_requested_config->config.minPresentInterval = 0;
plane_requested_config->config.tearing = NV_TRUE;
} else {
plane_requested_config->config.minPresentInterval = 1;
plane_requested_config->config.tearing = NV_FALSE;
}
}
}
return 0;
}
#if defined(NV_DRM_UNIVERSAL_PLANE_INIT_HAS_FORMAT_MODIFIERS_ARG)
static bool nv_drm_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
{
/* All supported modifiers are compatible with all supported formats */
return true;
}
#endif
static int nv_drm_plane_atomic_set_property(
struct drm_plane *plane,
struct drm_plane_state *state,
struct drm_property *property,
uint64_t val)
{
struct nv_drm_device *nv_dev = to_nv_device(plane->dev);
struct nv_drm_plane_state *nv_drm_plane_state =
to_nv_drm_plane_state(state);
if (property == nv_dev->nv_out_fence_property) {
#if defined(NV_LINUX_NVHOST_H_PRESENT) && defined(CONFIG_TEGRA_GRHOST)
nv_drm_plane_state->fd_user_ptr = u64_to_user_ptr(val);
#endif
return 0;
} else {
return -EINVAL;
}
}
static int nv_drm_plane_atomic_get_property(
struct drm_plane *plane,
const struct drm_plane_state *state,
struct drm_property *property,
uint64_t *val)
{
struct nv_drm_device *nv_dev = to_nv_device(plane->dev);
if (property == nv_dev->nv_out_fence_property) {
return 0;
} else {
return -EINVAL;
}
}
static struct drm_plane_state *
nv_drm_plane_atomic_duplicate_state(struct drm_plane *plane)
{
struct nv_drm_plane_state *nv_old_plane_state =
to_nv_drm_plane_state(plane->state);
struct nv_drm_plane_state *nv_plane_state =
nv_drm_calloc(1, sizeof(*nv_plane_state));
if (nv_plane_state == NULL) {
return NULL;
}
__drm_atomic_helper_plane_duplicate_state(plane, &nv_plane_state->base);
nv_plane_state->fd_user_ptr = nv_old_plane_state->fd_user_ptr;
return &nv_plane_state->base;
}
static inline void __nv_drm_plane_atomic_destroy_state(
struct drm_plane *plane,
struct drm_plane_state *state)
{
#if defined(NV_DRM_ATOMIC_HELPER_PLANE_DESTROY_STATE_HAS_PLANE_ARG)
__drm_atomic_helper_plane_destroy_state(plane, state);
#else
__drm_atomic_helper_plane_destroy_state(state);
#endif
}
static void nv_drm_plane_atomic_destroy_state(
struct drm_plane *plane,
struct drm_plane_state *state)
{
__nv_drm_plane_atomic_destroy_state(plane, state);
nv_drm_free(to_nv_drm_plane_state(state));
}
static const struct drm_plane_funcs nv_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = nv_drm_plane_destroy,
.reset = drm_atomic_helper_plane_reset,
.atomic_get_property = nv_drm_plane_atomic_get_property,
.atomic_set_property = nv_drm_plane_atomic_set_property,
.atomic_duplicate_state = nv_drm_plane_atomic_duplicate_state,
.atomic_destroy_state = nv_drm_plane_atomic_destroy_state,
#if defined(NV_DRM_UNIVERSAL_PLANE_INIT_HAS_FORMAT_MODIFIERS_ARG)
.format_mod_supported = nv_drm_plane_format_mod_supported,
#endif
};
static const struct drm_plane_helper_funcs nv_plane_helper_funcs = {
.atomic_check = nv_drm_plane_atomic_check,
};
static void nv_drm_crtc_destroy(struct drm_crtc *crtc)
{
struct nv_drm_crtc *nv_crtc = to_nv_crtc(crtc);
drm_crtc_cleanup(crtc);
nv_drm_free(nv_crtc);
}
static inline void
__nv_drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *crtc_state)
{
#if defined(NV_DRM_ATOMIC_HELPER_CRTC_DESTROY_STATE_HAS_CRTC_ARG)
__drm_atomic_helper_crtc_destroy_state(crtc, crtc_state);
#else
__drm_atomic_helper_crtc_destroy_state(crtc_state);
#endif
}
static inline void nv_drm_crtc_duplicate_req_head_modeset_config(
const struct NvKmsKapiHeadRequestedConfig *old,
struct NvKmsKapiHeadRequestedConfig *new)
{
uint32_t i;
/*
* Do not duplicate fields like 'modeChanged' flags expressing delta changed
* in new configuration with respect to previous/old configuration because
* there is no change in new configuration yet with respect
* to older one!
*/
*new = (struct NvKmsKapiHeadRequestedConfig) {
.modeSetConfig = old->modeSetConfig,
};
for (i = 0; i < ARRAY_SIZE(old->layerRequestedConfig); i++) {
new->layerRequestedConfig[i] = (struct NvKmsKapiLayerRequestedConfig) {
.config = old->layerRequestedConfig[i].config,
};
}
}
/**
* nv_drm_atomic_crtc_duplicate_state - crtc state duplicate hook
* @crtc: DRM crtc
*
* Allocate and accosiate flip state with DRM crtc state, this flip state will
* be getting consumed at the time of atomic update commit to hardware by
* nv_drm_atomic_helper_commit_tail().
*/
static struct drm_crtc_state*
nv_drm_atomic_crtc_duplicate_state(struct drm_crtc *crtc)
{
struct nv_drm_crtc_state *nv_state = nv_drm_calloc(1, sizeof(*nv_state));
if (nv_state == NULL) {
return NULL;
}
if ((nv_state->nv_flip =
nv_drm_calloc(1, sizeof(*(nv_state->nv_flip)))) == NULL) {
nv_drm_free(nv_state);
return NULL;
}
__drm_atomic_helper_crtc_duplicate_state(crtc, &nv_state->base);
INIT_LIST_HEAD(&nv_state->nv_flip->list_entry);
INIT_LIST_HEAD(&nv_state->nv_flip->deferred_flip_list);
nv_drm_crtc_duplicate_req_head_modeset_config(
&(to_nv_crtc_state(crtc->state)->req_config),
&nv_state->req_config);
return &nv_state->base;
}
/**
* nv_drm_atomic_crtc_destroy_state - crtc state destroy hook
* @crtc: DRM crtc
* @state: DRM crtc state object to destroy
*
* Destroy flip state associated with the given crtc state if it haven't get
* consumed because failure of atomic commit.
*/
static void nv_drm_atomic_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct nv_drm_crtc_state *nv_state = to_nv_crtc_state(state);
if (nv_state->nv_flip != NULL) {
nv_drm_free(nv_state->nv_flip);
nv_state->nv_flip = NULL;
}
__nv_drm_atomic_helper_crtc_destroy_state(crtc, &nv_state->base);
nv_drm_free(nv_state);
}
static struct drm_crtc_funcs nv_crtc_funcs = {
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.reset = drm_atomic_helper_crtc_reset,
.destroy = nv_drm_crtc_destroy,
.atomic_duplicate_state = nv_drm_atomic_crtc_duplicate_state,
.atomic_destroy_state = nv_drm_atomic_crtc_destroy_state,
};
/*
* In kernel versions before the addition of
* drm_crtc_state::connectors_changed, connector changes were
* reflected in drm_crtc_state::mode_changed.
*/
static inline bool
nv_drm_crtc_state_connectors_changed(struct drm_crtc_state *crtc_state)
{
#if defined(NV_DRM_CRTC_STATE_HAS_CONNECTORS_CHANGED)
return crtc_state->connectors_changed;
#else
return crtc_state->mode_changed;
#endif
}
static int head_modeset_config_attach_connector(
struct nv_drm_connector *nv_connector,
struct NvKmsKapiHeadModeSetConfig *head_modeset_config)
{
struct nv_drm_encoder *nv_encoder = nv_connector->nv_detected_encoder;
if (NV_DRM_WARN(nv_encoder == NULL ||
head_modeset_config->numDisplays >=
ARRAY_SIZE(head_modeset_config->displays))) {
return -EINVAL;
}
head_modeset_config->displays[head_modeset_config->numDisplays++] =
nv_encoder->hDisplay;
return 0;
}
/**
* nv_drm_crtc_atomic_check() can fail after it has modified
* the 'nv_drm_crtc_state::req_config', that is fine because 'nv_drm_crtc_state'
* will be discarded if ->atomic_check() fails.
*/
#if defined(NV_DRM_CRTC_ATOMIC_CHECK_HAS_ATOMIC_STATE_ARG)
static int nv_drm_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *state)
#else
static int nv_drm_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_crtc_state *crtc_state)
#endif
{
#if defined(NV_DRM_CRTC_ATOMIC_CHECK_HAS_ATOMIC_STATE_ARG)
struct drm_crtc_state *crtc_state =
drm_atomic_get_new_crtc_state(state, crtc);
#endif
struct nv_drm_crtc_state *nv_crtc_state = to_nv_crtc_state(crtc_state);
struct NvKmsKapiHeadRequestedConfig *req_config =
&nv_crtc_state->req_config;
int ret = 0;
if (crtc_state->mode_changed) {
drm_mode_to_nvkms_display_mode(&crtc_state->mode,
&req_config->modeSetConfig.mode);
req_config->flags.modeChanged = NV_TRUE;
}
if (nv_drm_crtc_state_connectors_changed(crtc_state)) {
struct NvKmsKapiHeadModeSetConfig *config = &req_config->modeSetConfig;
struct drm_connector *connector;
struct drm_connector_state *connector_state;
int j;
config->numDisplays = 0;
memset(config->displays, 0, sizeof(config->displays));
req_config->flags.displaysChanged = NV_TRUE;
nv_drm_for_each_connector_in_state(crtc_state->state,
connector, connector_state, j) {
if (connector_state->crtc != crtc) {
continue;
}
if ((ret = head_modeset_config_attach_connector(
to_nv_connector(connector),
config)) != 0) {
return ret;
}
}
}
if (crtc_state->active_changed) {
req_config->modeSetConfig.bActive = crtc_state->active;
req_config->flags.activeChanged = NV_TRUE;
}
return ret;
}
static bool
nv_drm_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static const struct drm_crtc_helper_funcs nv_crtc_helper_funcs = {
.atomic_check = nv_drm_crtc_atomic_check,
.mode_fixup = nv_drm_crtc_mode_fixup,
};
static void nv_drm_plane_install_properties(
struct drm_plane *plane)
{
struct nv_drm_device *nv_dev = to_nv_device(plane->dev);
if (nv_dev->nv_out_fence_property) {
drm_object_attach_property(
&plane->base, nv_dev->nv_out_fence_property, 0);
}
}
static void
__nv_drm_plane_create_alpha_blending_properties(struct drm_plane *plane,
NvU32 validCompModes)
{
#if defined(NV_DRM_ALPHA_BLENDING_AVAILABLE)
if ((validCompModes &
NVBIT(NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_SURFACE_ALPHA)) != 0x0 &&
(validCompModes &
NVBIT(NVKMS_COMPOSITION_BLENDING_MODE_NON_PREMULT_SURFACE_ALPHA)) != 0x0) {
drm_plane_create_alpha_property(plane);
drm_plane_create_blend_mode_property(plane,
NVBIT(DRM_MODE_BLEND_PREMULTI) |
NVBIT(DRM_MODE_BLEND_COVERAGE));
} else if ((validCompModes &
NVBIT(NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_ALPHA)) != 0x0 &&
(validCompModes &
NVBIT(NVKMS_COMPOSITION_BLENDING_MODE_NON_PREMULT_ALPHA)) != 0x0) {
drm_plane_create_blend_mode_property(plane,
NVBIT(DRM_MODE_BLEND_PREMULTI) |
NVBIT(DRM_MODE_BLEND_COVERAGE));
}
#endif
}
static void
__nv_drm_plane_create_rotation_property(struct drm_plane *plane,
NvU16 validLayerRRTransforms)
{
#if defined(NV_DRM_ROTATION_AVAILABLE)
enum NvKmsRotation curRotation;
NvU32 supported_rotations = 0;
struct NvKmsRRParams rrParams = {
.rotation = NVKMS_ROTATION_0,
.reflectionX = true,
.reflectionY = true,
};
if ((NVBIT(NvKmsRRParamsToCapBit(&rrParams)) &
validLayerRRTransforms) != 0) {
supported_rotations |= DRM_MODE_REFLECT_X;
supported_rotations |= DRM_MODE_REFLECT_Y;
}
rrParams.reflectionX = false;
rrParams.reflectionY = false;
for (curRotation = NVKMS_ROTATION_MIN;
curRotation <= NVKMS_ROTATION_MAX; curRotation++) {
rrParams.rotation = curRotation;
if ((NVBIT(NvKmsRRParamsToCapBit(&rrParams)) &
validLayerRRTransforms) == 0) {
continue;
}
switch (curRotation) {
case NVKMS_ROTATION_0:
supported_rotations |= DRM_MODE_ROTATE_0;
break;
case NVKMS_ROTATION_90:
supported_rotations |= DRM_MODE_ROTATE_90;
break;
case NVKMS_ROTATION_180:
supported_rotations |= DRM_MODE_ROTATE_180;
break;
case NVKMS_ROTATION_270:
supported_rotations |= DRM_MODE_ROTATE_270;
break;
default:
break;
}
}
if (supported_rotations != 0) {
drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0,
supported_rotations);
}
#endif
}
static struct drm_plane*
nv_drm_plane_create(struct drm_device *dev,
enum drm_plane_type plane_type,
uint32_t layer_idx,
NvU32 head,
const struct NvKmsKapiDeviceResourcesInfo *pResInfo)
{
#if defined(NV_DRM_UNIVERSAL_PLANE_INIT_HAS_FORMAT_MODIFIERS_ARG)
struct nv_drm_device *nv_dev = to_nv_device(dev);
const NvU64 linear_modifiers[] = {
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID,
};
#endif
enum NvKmsCompositionBlendingMode defaultCompositionMode;
struct nv_drm_plane *nv_plane = NULL;
struct nv_drm_plane_state *nv_plane_state = NULL;
struct drm_plane *plane = NULL;
int ret = -ENOMEM;
uint32_t *formats = NULL;
unsigned int formats_count = 0;
const NvU32 validCompositionModes =
(plane_type == DRM_PLANE_TYPE_CURSOR) ?
pResInfo->caps.validCursorCompositionModes :
pResInfo->caps.layer[layer_idx].validCompositionModes;
const long unsigned int nvkms_formats_mask =
(plane_type == DRM_PLANE_TYPE_CURSOR) ?
pResInfo->caps.supportedCursorSurfaceMemoryFormats :
pResInfo->supportedSurfaceMemoryFormats[layer_idx];
const NvU16 validLayerRRTransforms =
(plane_type == DRM_PLANE_TYPE_CURSOR) ?
0x0 : pResInfo->caps.layer[layer_idx].validRRTransforms;
if ((validCompositionModes &
NVBIT(NVKMS_COMPOSITION_BLENDING_MODE_OPAQUE)) != 0x0) {
defaultCompositionMode = NVKMS_COMPOSITION_BLENDING_MODE_OPAQUE;
} else if ((validCompositionModes &
NVBIT(NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_ALPHA)) != 0x0) {
defaultCompositionMode = NVKMS_COMPOSITION_BLENDING_MODE_PREMULT_ALPHA;
} else {
goto failed;
}
formats =
nv_drm_format_array_alloc(&formats_count,
nvkms_formats_mask);
if (formats == NULL) {
goto failed;
}
if ((nv_plane = nv_drm_calloc(1, sizeof(*nv_plane))) == NULL) {
goto failed_plane_alloc;
}
plane = &nv_plane->base;
nv_plane->defaultCompositionMode = defaultCompositionMode;
nv_plane->layer_idx = layer_idx;
if ((nv_plane_state =
nv_drm_calloc(1, sizeof(*nv_plane_state))) == NULL) {
goto failed_state_alloc;
}
plane->state = &nv_plane_state->base;
plane->state->plane = plane;
/*
* Possible_crtcs for primary and cursor plane is zero because
* drm_crtc_init_with_planes() will assign the plane's possible_crtcs
* after the crtc is successfully initialized.
*/
ret = drm_universal_plane_init(
dev,
plane,
(plane_type == DRM_PLANE_TYPE_OVERLAY) ?
(1 << head) : 0,
&nv_plane_funcs,
formats, formats_count,
#if defined(NV_DRM_UNIVERSAL_PLANE_INIT_HAS_FORMAT_MODIFIERS_ARG)
(plane_type == DRM_PLANE_TYPE_CURSOR) ?
linear_modifiers : nv_dev->modifiers,
#endif
plane_type
#if defined(NV_DRM_UNIVERSAL_PLANE_INIT_HAS_NAME_ARG)
, NULL
#endif
);
if (ret != 0) {
goto failed_plane_init;
}
drm_plane_helper_add(plane, &nv_plane_helper_funcs);
if (plane_type != DRM_PLANE_TYPE_CURSOR) {
nv_drm_plane_install_properties(plane);
}
__nv_drm_plane_create_alpha_blending_properties(
plane,
validCompositionModes);
__nv_drm_plane_create_rotation_property(
plane,
validLayerRRTransforms);
return plane;
failed_plane_init:
nv_drm_free(nv_plane_state);
failed_state_alloc:
nv_drm_free(nv_plane);
failed_plane_alloc:
nv_drm_free(formats);
failed:
return ERR_PTR(ret);
}
/*
* Add drm crtc for given head and supported enum NvKmsSurfaceMemoryFormats.
*/
static struct drm_crtc *__nv_drm_crtc_create(struct nv_drm_device *nv_dev,
struct drm_plane *primary_plane,
struct drm_plane *cursor_plane,
unsigned int head)
{
struct nv_drm_crtc *nv_crtc = NULL;
struct nv_drm_crtc_state *nv_state = NULL;
int ret = -ENOMEM;
if ((nv_crtc = nv_drm_calloc(1, sizeof(*nv_crtc))) == NULL) {
goto failed;
}
nv_state = nv_drm_calloc(1, sizeof(*nv_state));
if (nv_state == NULL) {
goto failed_state_alloc;
}
nv_crtc->base.state = &nv_state->base;
nv_crtc->base.state->crtc = &nv_crtc->base;
nv_crtc->head = head;
INIT_LIST_HEAD(&nv_crtc->flip_list);
spin_lock_init(&nv_crtc->flip_list_lock);
ret = drm_crtc_init_with_planes(nv_dev->dev,
&nv_crtc->base,
primary_plane, cursor_plane,
&nv_crtc_funcs
#if defined(NV_DRM_CRTC_INIT_WITH_PLANES_HAS_NAME_ARG)
, NULL
#endif
);
if (ret != 0) {
NV_DRM_DEV_LOG_ERR(
nv_dev,
"Failed to init crtc for head %u with planes", head);
goto failed_init_crtc;
}
/* Add crtc to drm sub-system */
drm_crtc_helper_add(&nv_crtc->base, &nv_crtc_helper_funcs);
return &nv_crtc->base;
failed_init_crtc:
nv_drm_free(nv_state);
failed_state_alloc:
nv_drm_free(nv_crtc);
failed:
return ERR_PTR(ret);
}
void nv_drm_enumerate_crtcs_and_planes(
struct nv_drm_device *nv_dev,
const struct NvKmsKapiDeviceResourcesInfo *pResInfo)
{
unsigned int i;
for (i = 0; i < pResInfo->numHeads; i++) {
struct drm_plane *primary_plane = NULL, *cursor_plane = NULL;
NvU32 layer;
if (pResInfo->numLayers[i] <= NVKMS_KAPI_LAYER_PRIMARY_IDX) {
continue;
}
primary_plane =
nv_drm_plane_create(nv_dev->dev,
DRM_PLANE_TYPE_PRIMARY,
NVKMS_KAPI_LAYER_PRIMARY_IDX,
i,
pResInfo);
if (IS_ERR(primary_plane)) {
NV_DRM_DEV_LOG_ERR(
nv_dev,
"Failed to create primary plane for head %u, error = %ld",
i, PTR_ERR(primary_plane));
continue;
}
cursor_plane =
nv_drm_plane_create(nv_dev->dev,
DRM_PLANE_TYPE_CURSOR,
NVKMS_KAPI_LAYER_INVALID_IDX,
i,
pResInfo);
if (IS_ERR(cursor_plane)) {
NV_DRM_DEV_LOG_ERR(
nv_dev,
"Failed to create cursor plane for head %u, error = %ld",
i, PTR_ERR(cursor_plane));
cursor_plane = NULL;
}
/* Create crtc with the primary and cursor planes */
{
struct drm_crtc *crtc =
__nv_drm_crtc_create(nv_dev,
primary_plane, cursor_plane,
i);
if (IS_ERR(crtc)) {
nv_drm_plane_destroy(primary_plane);
if (cursor_plane != NULL) {
nv_drm_plane_destroy(cursor_plane);
}
NV_DRM_DEV_LOG_ERR(
nv_dev,
"Failed to add DRM CRTC for head %u, error = %ld",
i, PTR_ERR(crtc));
continue;
}
}
for (layer = 0; layer < pResInfo->numLayers[i]; layer++) {
if (layer == NVKMS_KAPI_LAYER_PRIMARY_IDX) {
continue;
}
struct drm_plane *overlay_plane =
nv_drm_plane_create(nv_dev->dev,
DRM_PLANE_TYPE_OVERLAY,
layer,
i,
pResInfo);
if (IS_ERR(overlay_plane)) {
NV_DRM_DEV_LOG_ERR(
nv_dev,
"Failed to create plane for layer-%u of head %u, error = %ld",
layer, i, PTR_ERR(overlay_plane));
}
}
}
}
/*
* Helper function to convert NvKmsKapiCrcs to drm_nvidia_crtc_crc32_out.
*/
static void NvKmsKapiCrcsToDrm(const struct NvKmsKapiCrcs *crcs,
struct drm_nvidia_crtc_crc32_v2_out *drmCrcs)
{
drmCrcs->outputCrc32.value = crcs->outputCrc32.value;
drmCrcs->outputCrc32.supported = crcs->outputCrc32.supported;
drmCrcs->rasterGeneratorCrc32.value = crcs->rasterGeneratorCrc32.value;
drmCrcs->rasterGeneratorCrc32.supported = crcs->rasterGeneratorCrc32.supported;
drmCrcs->compositorCrc32.value = crcs->compositorCrc32.value;
drmCrcs->compositorCrc32.supported = crcs->compositorCrc32.supported;
}
int nv_drm_get_crtc_crc32_v2_ioctl(struct drm_device *dev,
void *data, struct drm_file *filep)
{
struct drm_nvidia_get_crtc_crc32_v2_params *params = data;
struct nv_drm_device *nv_dev = to_nv_device(dev);
struct drm_crtc *crtc = NULL;
struct nv_drm_crtc *nv_crtc = NULL;
struct NvKmsKapiCrcs crc32;
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
return -ENOENT;
}
crtc = nv_drm_crtc_find(dev, params->crtc_id);
if (!crtc) {
return -ENOENT;
}
nv_crtc = to_nv_crtc(crtc);
if (!nvKms->getCRC32(nv_dev->pDevice, nv_crtc->head, &crc32)) {
return -ENODEV;
}
NvKmsKapiCrcsToDrm(&crc32, &params->crc32);
return 0;
}
int nv_drm_get_crtc_crc32_ioctl(struct drm_device *dev,
void *data, struct drm_file *filep)
{
struct drm_nvidia_get_crtc_crc32_params *params = data;
struct nv_drm_device *nv_dev = to_nv_device(dev);
struct drm_crtc *crtc = NULL;
struct nv_drm_crtc *nv_crtc = NULL;
struct NvKmsKapiCrcs crc32;
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
return -ENOENT;
}
crtc = nv_drm_crtc_find(dev, params->crtc_id);
if (!crtc) {
return -ENOENT;
}
nv_crtc = to_nv_crtc(crtc);
if (!nvKms->getCRC32(nv_dev->pDevice, nv_crtc->head, &crc32)) {
return -ENODEV;
}
params->crc32 = crc32.outputCrc32.value;
return 0;
}
#endif
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