[PATCH hwc] drm_hwcomposer: remove NVIDIA importer
Robert Foss
robert.foss at collabora.com
Mon Oct 9 11:24:25 UTC 2017
Hey Rob,
+Thierry
This looks good to me, does anyone have a strong opinion the other way?
I'll let this one soak for a day or two more.
Rob.
On Fri, 2017-10-06 at 17:02 -0500, Rob Herring wrote:
> There's no opensource implementation for the NVIDIA gralloc
> implementation,
> so remove it as it is not testable.
>
> As all of the gralloc perform() operations are specific to it, they
> can be
> removed, too.
>
> Signed-off-by: Rob Herring <robh at kernel.org>
> ---
> Android.mk | 5 -
> drmhwcgralloc.h | 33 -----
> platformnv.cpp | 374 ----------------------------------------------
> ----------
> 3 files changed, 412 deletions(-)
> delete mode 100644 platformnv.cpp
>
> diff --git a/Android.mk b/Android.mk
> index 99bbcac3e984..d7dc6782e1e0 100644
> --- a/Android.mk
> +++ b/Android.mk
> @@ -71,7 +71,6 @@ LOCAL_SRC_FILES := \
> hwcutils.cpp \
> platform.cpp \
> platformdrmgeneric.cpp \
> - platformnv.cpp \
> separate_rects.cpp \
> virtualcompositorworker.cpp \
> vsyncworker.cpp
> @@ -80,11 +79,7 @@ LOCAL_CPPFLAGS += \
> -DHWC2_USE_CPP11 \
> -DHWC2_INCLUDE_STRINGIFICATION
>
> -ifeq ($(strip $(BOARD_DRM_HWCOMPOSER_BUFFER_IMPORTER)),nvidia-
> gralloc)
> -LOCAL_CPPFLAGS += -DUSE_NVIDIA_IMPORTER
> -else
> LOCAL_CPPFLAGS += -DUSE_DRM_GENERIC_IMPORTER
> -endif
>
> LOCAL_MODULE := hwcomposer.drm
> LOCAL_MODULE_TAGS := optional
> diff --git a/drmhwcgralloc.h b/drmhwcgralloc.h
> index c4a42eaf1c54..759746a67949 100644
> --- a/drmhwcgralloc.h
> +++ b/drmhwcgralloc.h
> @@ -19,39 +19,6 @@
>
> #include <stdint.h>
>
> -enum {
> - /* perform(const struct gralloc_module_t *mod,
> - * int op,
> - * int drm_fd,
> - * buffer_handle_t buffer,
> - * struct hwc_drm_bo *bo);
> - */
> - GRALLOC_MODULE_PERFORM_DRM_IMPORT = 0xffeeff00,
> -
> - /* perform(const struct gralloc_module_t *mod,
> - * int op,
> - * buffer_handle_t buffer,
> - * void (*free_callback)(void *),
> - * void *priv);
> - */
> - GRALLOC_MODULE_PERFORM_SET_IMPORTER_PRIVATE = 0xffeeff01,
> -
> - /* perform(const struct gralloc_module_t *mod,
> - * int op,
> - * buffer_handle_t buffer,
> - * void (*free_callback)(void *),
> - * void **priv);
> - */
> - GRALLOC_MODULE_PERFORM_GET_IMPORTER_PRIVATE = 0xffeeff02,
> -
> - /* perform(const struct gralloc_module_t *mod,
> - * int op,
> - * buffer_handle_t buffer,
> - * int *usage);
> - */
> - GRALLOC_MODULE_PERFORM_GET_USAGE = 0xffeeff03,
> -};
> -
> typedef struct hwc_drm_bo {
> uint32_t width;
> uint32_t height;
> diff --git a/platformnv.cpp b/platformnv.cpp
> deleted file mode 100644
> index e7b6be3430a8..000000000000
> --- a/platformnv.cpp
> +++ /dev/null
> @@ -1,374 +0,0 @@
> -/*
> - * Copyright (C) 2015 The Android Open Source Project
> - *
> - * Licensed under the Apache License, Version 2.0 (the "License");
> - * you may not use this file except in compliance with the License.
> - * You may obtain a copy of the License at
> - *
> - * http://www.apache.org/licenses/LICENSE-2.0
> - *
> - * Unless required by applicable law or agreed to in writing,
> software
> - * distributed under the License is distributed on an "AS IS" BASIS,
> - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
> implied.
> - * See the License for the specific language governing permissions
> and
> - * limitations under the License.
> - */
> -
> -#define LOG_TAG "hwc-platform-nv"
> -
> -#include "drmresources.h"
> -#include "platform.h"
> -#include "platformnv.h"
> -
> -#include <cinttypes>
> -#include <stdatomic.h>
> -#include <drm/drm_fourcc.h>
> -#include <xf86drm.h>
> -#include <xf86drmMode.h>
> -
> -#include <cutils/log.h>
> -#include <hardware/gralloc.h>
> -
> -#ifndef EGL_NATIVE_HANDLE_ANDROID_NVX
> -#define EGL_NATIVE_HANDLE_ANDROID_NVX 0x322A
> -#endif
> -
> -namespace android {
> -
> -#ifdef USE_NVIDIA_IMPORTER
> -// static
> -Importer *Importer::CreateInstance(DrmResources *drm) {
> - NvImporter *importer = new NvImporter(drm);
> - if (!importer)
> - return NULL;
> -
> - int ret = importer->Init();
> - if (ret) {
> - ALOGE("Failed to initialize the nv importer %d", ret);
> - delete importer;
> - return NULL;
> - }
> - return importer;
> -}
> -#endif
> -
> -NvImporter::NvImporter(DrmResources *drm) : drm_(drm) {
> -}
> -
> -NvImporter::~NvImporter() {
> -}
> -
> -int NvImporter::Init() {
> - int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
> - (const hw_module_t **)&gralloc_);
> - if (ret) {
> - ALOGE("Failed to open gralloc module %d", ret);
> - return ret;
> - }
> -
> - if (strcasecmp(gralloc_->common.author, "NVIDIA"))
> - ALOGW("Using non-NVIDIA gralloc module: %s/%s\n", gralloc_-
> >common.name,
> - gralloc_->common.author);
> -
> - return 0;
> -}
> -
> -
> -EGLImageKHR NvImporter::ImportImage(EGLDisplay egl_display,
> buffer_handle_t handle) {
> - return eglCreateImageKHR(
> - egl_display, EGL_NO_CONTEXT, EGL_NATIVE_HANDLE_ANDROID_NVX,
> - (EGLClientBuffer)handle, NULL /* no attribs */);
> -}
> -
> -int NvImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t
> *bo) {
> - memset(bo, 0, sizeof(hwc_drm_bo_t));
> - NvBuffer_t *buf = GrallocGetNvBuffer(handle);
> - if (buf) {
> - atomic_fetch_add(&buf->ref, 1);
> - *bo = buf->bo;
> - return 0;
> - }
> -
> - buf = new NvBuffer_t();
> - if (!buf) {
> - ALOGE("Failed to allocate new NvBuffer_t");
> - return -ENOMEM;
> - }
> - buf->bo.priv = buf;
> - buf->importer = this;
> -
> - // We initialize the reference count to 2 since NvGralloc is still
> using this
> - // buffer (will be cleared in the NvGrallocRelease), and the other
> - // reference is for HWC (this ImportBuffer call).
> - atomic_init(&buf->ref, 2);
> -
> - int ret = gralloc_->perform(gralloc_,
> GRALLOC_MODULE_PERFORM_DRM_IMPORT,
> - drm_->fd(), handle, &buf->bo);
> - if (ret) {
> - ALOGE("GRALLOC_MODULE_PERFORM_DRM_IMPORT failed %d", ret);
> - delete buf;
> - return ret;
> - }
> -
> - ret = drmModeAddFB2(drm_->fd(), buf->bo.width, buf->bo.height,
> buf->bo.format,
> - buf->bo.gem_handles, buf->bo.pitches, buf-
> >bo.offsets,
> - &buf->bo.fb_id, 0);
> - if (ret) {
> - ALOGE("Failed to add fb %d", ret);
> - ReleaseBufferImpl(&buf->bo);
> - delete buf;
> - return ret;
> - }
> -
> - ret = GrallocSetNvBuffer(handle, buf);
> - if (ret) {
> - /* This will happen is persist.tegra.gpu_mapping_cache is 0/off,
> - * or if NV gralloc runs out of "priv slots" (currently 3 per
> buffer,
> - * only one of which should be used by drm_hwcomposer). */
> - ALOGE("Failed to register free callback for imported buffer %d",
> ret);
> - ReleaseBufferImpl(&buf->bo);
> - delete buf;
> - return ret;
> - }
> - *bo = buf->bo;
> - return 0;
> -}
> -
> -int NvImporter::ReleaseBuffer(hwc_drm_bo_t *bo) {
> - NvBuffer_t *buf = (NvBuffer_t *)bo->priv;
> - if (!buf) {
> - ALOGE("Freeing bo %" PRIu32 ", buf is NULL!", bo->fb_id);
> - return 0;
> - }
> - if (atomic_fetch_sub(&buf->ref, 1) > 1)
> - return 0;
> -
> - ReleaseBufferImpl(bo);
> - delete buf;
> - return 0;
> -}
> -
> -// static
> -void NvImporter::NvGrallocRelease(void *nv_buffer) {
> - NvBuffer_t *buf = (NvBuffer *)nv_buffer;
> - buf->importer->ReleaseBuffer(&buf->bo);
> -}
> -
> -void NvImporter::ReleaseBufferImpl(hwc_drm_bo_t *bo) {
> - if (bo->fb_id) {
> - int ret = drmModeRmFB(drm_->fd(), bo->fb_id);
> - if (ret)
> - ALOGE("Failed to rm fb %d", ret);
> - }
> -
> - struct drm_gem_close gem_close;
> - memset(&gem_close, 0, sizeof(gem_close));
> - int num_gem_handles = sizeof(bo->gem_handles) / sizeof(bo-
> >gem_handles[0]);
> - for (int i = 0; i < num_gem_handles; i++) {
> - if (!bo->gem_handles[i])
> - continue;
> -
> - gem_close.handle = bo->gem_handles[i];
> - int ret = drmIoctl(drm_->fd(), DRM_IOCTL_GEM_CLOSE, &gem_close);
> - if (ret) {
> - ALOGE("Failed to close gem handle %d %d", i, ret);
> - } else {
> - /* Clear any duplicate gem handle as well but don't close
> again */
> - for (int j = i + 1; j < num_gem_handles; j++)
> - if (bo->gem_handles[j] == bo->gem_handles[i])
> - bo->gem_handles[j] = 0;
> - bo->gem_handles[i] = 0;
> - }
> - }
> -}
> -
> -NvImporter::NvBuffer_t
> *NvImporter::GrallocGetNvBuffer(buffer_handle_t handle) {
> - void *priv = NULL;
> - int ret =
> - gralloc_->perform(gralloc_,
> GRALLOC_MODULE_PERFORM_GET_IMPORTER_PRIVATE,
> - handle, NvGrallocRelease, &priv);
> - return ret ? NULL : (NvBuffer_t *)priv;
> -}
> -
> -int NvImporter::GrallocSetNvBuffer(buffer_handle_t handle,
> NvBuffer_t *buf) {
> - return gralloc_->perform(gralloc_,
> - GRALLOC_MODULE_PERFORM_SET_IMPORTER_PRIVA
> TE, handle,
> - NvGrallocRelease, buf);
> -}
> -
> -#ifdef USE_NVIDIA_IMPORTER
> -// static
> -std::unique_ptr<Planner> Planner::CreateInstance(DrmResources *) {
> - std::unique_ptr<Planner> planner(new Planner);
> - planner->AddStage<PlanStageNvLimits>();
> - planner->AddStage<PlanStageProtectedRotated>();
> - planner->AddStage<PlanStageProtected>();
> - planner->AddStage<PlanStagePrecomp>();
> - planner->AddStage<PlanStageGreedy>();
> - return planner;
> -}
> -#endif
> -
> -static DrmPlane *GetCrtcPrimaryPlane(DrmCrtc *crtc,
> - std::vector<DrmPlane *>
> *planes) {
> - for (auto i = planes->begin(); i != planes->end(); ++i) {
> - if ((*i)->GetCrtcSupported(*crtc)) {
> - DrmPlane *plane = *i;
> - planes->erase(i);
> - return plane;
> - }
> - }
> - return NULL;
> -}
> -
> -int PlanStageProtectedRotated::ProvisionPlanes(
> - std::vector<DrmCompositionPlane> *composition,
> - std::map<size_t, DrmHwcLayer *> &layers, DrmCrtc *crtc,
> - std::vector<DrmPlane *> *planes) {
> - int ret;
> - int protected_zorder = -1;
> - for (auto i = layers.begin(); i != layers.end();) {
> - if (!i->second->protected_usage() || !i->second->transform) {
> - ++i;
> - continue;
> - }
> -
> - auto primary_iter = planes->begin();
> - for (; primary_iter != planes->end(); ++primary_iter) {
> - if ((*primary_iter)->type() == DRM_PLANE_TYPE_PRIMARY)
> - break;
> - }
> -
> - // We cheat a little here. Since there can only be one primary
> plane per
> - // crtc, we know we'll only hit this case once. So we blindly
> insert the
> - // protected content at the beginning of the composition,
> knowing this path
> - // won't be taken a second time during the loop.
> - if (primary_iter != planes->end()) {
> - composition->emplace(composition->begin(),
> - DrmCompositionPlane::Type::kLayer,
> *primary_iter,
> - crtc, i->first);
> - planes->erase(primary_iter);
> - protected_zorder = i->first;
> - } else {
> - ALOGE("Could not provision primary plane for protected/rotated
> layer");
> - }
> - i = layers.erase(i);
> - }
> -
> - if (protected_zorder == -1)
> - return 0;
> -
> - // Add any layers below the protected content to the
> precomposition since we
> - // need to punch a hole through them.
> - for (auto i = layers.begin(); i != layers.end();) {
> - // Skip layers above the z-order of the protected content
> - if (i->first > static_cast<size_t>(protected_zorder)) {
> - ++i;
> - continue;
> - }
> -
> - // If there's no precomp layer already queued, queue one now.
> - DrmCompositionPlane *precomp = GetPrecomp(composition);
> - if (precomp) {
> - precomp->source_layers().emplace_back(i->first);
> - } else {
> - if (planes->size()) {
> - DrmPlane *precomp_plane = planes->back();
> - planes->pop_back();
> - composition-
> >emplace_back(DrmCompositionPlane::Type::kPrecomp,
> - precomp_plane, crtc, i->first);
> - } else {
> - ALOGE("Not enough planes to reserve for precomp fb");
> - }
> - }
> - i = layers.erase(i);
> - }
> - return 0;
> -}
> -
> -bool PlanStageNvLimits::CheckLayer(size_t zorder, DrmHwcLayer
> *layer) {
> - auto src_w = layer->source_crop.width();
> - auto src_h = layer->source_crop.height();
> - auto dst_w = layer->display_frame.width();
> - auto dst_h = layer->display_frame.height();
> - int h_limit = 4;
> - int v_limit;
> -
> - switch (layer->buffer->format) {
> - case DRM_FORMAT_ARGB8888:
> - case DRM_FORMAT_ABGR8888:
> - case DRM_FORMAT_XBGR8888:
> - case DRM_FORMAT_XRGB8888:
> - // tegra driver assumes any layer with alpha channel has
> premult
> - // blending, avoid handling it this is not the case. This is
> not an
> - // issue for bottom-most layer since there's nothing to
> blend with
> - if (zorder > 0 && layer->blending !=
> DrmHwcBlending::kPreMult)
> - return false;
> -
> - v_limit = 2;
> - break;
> - case DRM_FORMAT_YVU420:
> - case DRM_FORMAT_YUV420:
> - case DRM_FORMAT_YUV422:
> - case DRM_FORMAT_UYVY:
> - case DRM_FORMAT_YUYV:
> - case DRM_FORMAT_NV12:
> - case DRM_FORMAT_NV21:
> - case DRM_FORMAT_RGB565:
> - case DRM_FORMAT_BGR565:
> - v_limit = 4;
> - break;
> - default:
> - v_limit = 2;
> - break;
> - }
> -
> - if (layer->transform &
> - (DrmHwcTransform::kRotate90 | DrmHwcTransform::kRotate270))
> - std::swap(dst_w, dst_h);
> -
> - // check for max supported down scaling
> - if (((src_w / dst_w) > h_limit) || ((src_h / dst_h) > v_limit))
> - return false;
> -
> - return true;
> -}
> -
> -int PlanStageNvLimits::ProvisionPlanes(
> - std::vector<DrmCompositionPlane> *composition,
> - std::map<size_t, DrmHwcLayer *> &layers, DrmCrtc *crtc,
> - std::vector<DrmPlane *> *planes) {
> - int ret;
> -
> - for (auto i = layers.begin(); i != layers.end();) {
> - // Skip layer if supported
> - if (CheckLayer(i->first, i->second)) {
> - i++;
> - continue;
> - }
> -
> - if (i->second->protected_usage()) {
> - // Drop the layer if unsupported and protected, this will just
> display
> - // black in the area of this layer but it's better than
> failing miserably
> - i = layers.erase(i);
> - continue;
> - }
> -
> - // If there's no precomp layer already queued, queue one now.
> - DrmCompositionPlane *precomp = GetPrecomp(composition);
> - if (precomp) {
> - precomp->source_layers().emplace_back(i->first);
> - } else if (!planes->empty()) {
> - DrmPlane *precomp_plane = planes->back();
> - planes->pop_back();
> - composition->emplace_back(DrmCompositionPlane::Type::kPrecomp,
> - precomp_plane, crtc, i->first);
> - } else {
> - ALOGE("Not enough planes to reserve for precomp fb");
> - }
> - i = layers.erase(i);
> - }
> -
> - return 0;
> -}
> -}
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