The patch below does not apply to the 3.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 4ad9c1c774c2af152283f510062094e768876f55 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx> Date: Mon, 5 Aug 2013 14:10:55 +0200 Subject: [PATCH] drm/radeon: only save UVD bo when we have open handles MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Otherwise just reinitialize from scratch on resume, and so make it more likely to succeed. Signed-off-by: Christian König <christian.koenig@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 5b58787..58136f2 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -6980,7 +6980,7 @@ int cik_uvd_resume(struct radeon_device *rdev) /* programm the VCPU memory controller bits 0-27 */ addr = rdev->uvd.gpu_addr >> 3; - size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3; + size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3; WREG32(UVD_VCPU_CACHE_OFFSET0, addr); WREG32(UVD_VCPU_CACHE_SIZE0, size); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 2f08219..76dbe8e 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1468,7 +1468,6 @@ struct radeon_uvd { void *cpu_addr; uint64_t gpu_addr; void *saved_bo; - unsigned fw_size; atomic_t handles[RADEON_MAX_UVD_HANDLES]; struct drm_file *filp[RADEON_MAX_UVD_HANDLES]; struct delayed_work idle_work; @@ -2066,6 +2065,7 @@ struct radeon_device { const struct firmware *mec_fw; /* CIK MEC firmware */ const struct firmware *sdma_fw; /* CIK SDMA firmware */ const struct firmware *smc_fw; /* SMC firmware */ + const struct firmware *uvd_fw; /* UVD firmware */ struct r600_blit r600_blit; struct r600_vram_scratch vram_scratch; int msi_enabled; /* msi enabled */ diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 7ddb0ef..ddb8f8e 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -782,7 +782,7 @@ int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring) } else { /* put fence directly behind firmware */ - index = ALIGN(rdev->uvd.fw_size, 8); + index = ALIGN(rdev->uvd_fw->size, 8); rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index; rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index; } diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 414fd14..ca0d735 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -56,7 +56,6 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work); int radeon_uvd_init(struct radeon_device *rdev) { - const struct firmware *fw; unsigned long bo_size; const char *fw_name; int i, r; @@ -105,14 +104,14 @@ int radeon_uvd_init(struct radeon_device *rdev) return -EINVAL; } - r = request_firmware(&fw, fw_name, rdev->dev); + r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev); if (r) { dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n", fw_name); return r; } - bo_size = RADEON_GPU_PAGE_ALIGN(fw->size + 8) + + bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) + RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE; r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo); @@ -145,12 +144,6 @@ int radeon_uvd_init(struct radeon_device *rdev) radeon_bo_unreserve(rdev->uvd.vcpu_bo); - rdev->uvd.fw_size = fw->size; - memset(rdev->uvd.cpu_addr, 0, bo_size); - memcpy(rdev->uvd.cpu_addr, fw->data, fw->size); - - release_firmware(fw); - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) { atomic_set(&rdev->uvd.handles[i], 0); rdev->uvd.filp[i] = NULL; @@ -174,33 +167,60 @@ void radeon_uvd_fini(struct radeon_device *rdev) } radeon_bo_unref(&rdev->uvd.vcpu_bo); + + release_firmware(rdev->uvd_fw); } int radeon_uvd_suspend(struct radeon_device *rdev) { unsigned size; + void *ptr; + int i; if (rdev->uvd.vcpu_bo == NULL) return 0; + for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) + if (atomic_read(&rdev->uvd.handles[i])) + break; + + if (i == RADEON_MAX_UVD_HANDLES) + return 0; + size = radeon_bo_size(rdev->uvd.vcpu_bo); + size -= rdev->uvd_fw->size; + + ptr = rdev->uvd.cpu_addr; + ptr += rdev->uvd_fw->size; + rdev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); - memcpy(rdev->uvd.saved_bo, rdev->uvd.cpu_addr, size); + memcpy(rdev->uvd.saved_bo, ptr, size); return 0; } int radeon_uvd_resume(struct radeon_device *rdev) { + unsigned size; + void *ptr; + if (rdev->uvd.vcpu_bo == NULL) return -EINVAL; + memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); + + size = radeon_bo_size(rdev->uvd.vcpu_bo); + size -= rdev->uvd_fw->size; + + ptr = rdev->uvd.cpu_addr; + ptr += rdev->uvd_fw->size; + if (rdev->uvd.saved_bo != NULL) { - unsigned size = radeon_bo_size(rdev->uvd.vcpu_bo); - memcpy(rdev->uvd.cpu_addr, rdev->uvd.saved_bo, size); + memcpy(ptr, rdev->uvd.saved_bo, size); kfree(rdev->uvd.saved_bo); rdev->uvd.saved_bo = NULL; - } + } else + memset(ptr, 0, size); return 0; } diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 3cc08a4..bcc68ec 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -813,7 +813,7 @@ int rv770_uvd_resume(struct radeon_device *rdev) /* programm the VCPU memory controller bits 0-27 */ addr = rdev->uvd.gpu_addr >> 3; - size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3; + size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3; WREG32(UVD_VCPU_CACHE_OFFSET0, addr); WREG32(UVD_VCPU_CACHE_SIZE0, size); -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html