[PATCH 2/2] drm/radeon: handle more than 10 UVD sessions
Alex Deucher
alexdeucher at gmail.com
Thu Apr 7 14:17:35 UTC 2016
On Wed, Apr 6, 2016 at 3:33 PM, Leo Liu <leo.liu at amd.com> wrote:
> From: Arindam Nath <arindam.nath at amd.com>
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> Signed-off-by: Arindam Nath <arindam.nath at amd.com>
> Reviewed-by: Leo Liu <leo.liu at amd.com>
Applied the series. Thanks!
Alex
> ---
> drivers/gpu/drm/radeon/cikd.h | 1 +
> drivers/gpu/drm/radeon/radeon.h | 9 ++++++---
> drivers/gpu/drm/radeon/radeon_uvd.c | 33 +++++++++++++++++++++++++--------
> drivers/gpu/drm/radeon/uvd_v1_0.c | 5 +++--
> drivers/gpu/drm/radeon/uvd_v2_2.c | 5 +++--
> drivers/gpu/drm/radeon/uvd_v4_2.c | 8 ++++++--
> 6 files changed, 44 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
> index 391ff9d..cead228 100644
> --- a/drivers/gpu/drm/radeon/cikd.h
> +++ b/drivers/gpu/drm/radeon/cikd.h
> @@ -2071,6 +2071,7 @@
> #define UVD_UDEC_DBW_ADDR_CONFIG 0xef54
>
> #define UVD_LMI_EXT40_ADDR 0xf498
> +#define UVD_GP_SCRATCH4 0xf4e0
> #define UVD_LMI_ADDR_EXT 0xf594
> #define UVD_VCPU_CACHE_OFFSET0 0xf608
> #define UVD_VCPU_CACHE_SIZE0 0xf60c
> diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
> index 34694ad..827e623 100644
> --- a/drivers/gpu/drm/radeon/radeon.h
> +++ b/drivers/gpu/drm/radeon/radeon.h
> @@ -1669,15 +1669,18 @@ int radeon_pm_get_type_index(struct radeon_device *rdev,
> /*
> * UVD
> */
> -#define RADEON_MAX_UVD_HANDLES 10
> -#define RADEON_UVD_STACK_SIZE (1024*1024)
> -#define RADEON_UVD_HEAP_SIZE (1024*1024)
> +#define RADEON_DEFAULT_UVD_HANDLES 10
> +#define RADEON_MAX_UVD_HANDLES 30
> +#define RADEON_UVD_STACK_SIZE (200*1024)
> +#define RADEON_UVD_HEAP_SIZE (256*1024)
> +#define RADEON_UVD_SESSION_SIZE (50*1024)
>
> struct radeon_uvd {
> bool fw_header_present;
> struct radeon_bo *vcpu_bo;
> void *cpu_addr;
> uint64_t gpu_addr;
> + unsigned max_handles;
> atomic_t handles[RADEON_MAX_UVD_HANDLES];
> struct drm_file *filp[RADEON_MAX_UVD_HANDLES];
> unsigned img_size[RADEON_MAX_UVD_HANDLES];
> diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
> index 0897c66..f8de6d0 100644
> --- a/drivers/gpu/drm/radeon/radeon_uvd.c
> +++ b/drivers/gpu/drm/radeon/radeon_uvd.c
> @@ -135,6 +135,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
> }
>
> rdev->uvd.fw_header_present = false;
> + rdev->uvd.max_handles = RADEON_DEFAULT_UVD_HANDLES;
> if (fw_name) {
> /* Let's try to load the newer firmware first */
> r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
> @@ -142,11 +143,27 @@ int radeon_uvd_init(struct radeon_device *rdev)
> dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
> fw_name);
> } else {
> + struct common_firmware_header *hdr = (void *)rdev->uvd_fw->data;
> + unsigned version_major, version_minor, family_id;
> +
> r = radeon_ucode_validate(rdev->uvd_fw);
> if (r)
> return r;
>
> rdev->uvd.fw_header_present = true;
> +
> + family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
> + version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
> + version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> + DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
> + version_major, version_minor, family_id);
> +
> + /*
> + * Limit the number of UVD handles depending on
> + * microcode major and minor versions.
> + */
> + if ((version_major >= 0x01) && (version_minor >= 0x37))
> + rdev->uvd.max_handles = RADEON_MAX_UVD_HANDLES;
> }
> }
>
> @@ -166,7 +183,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
>
> bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
> RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE +
> - RADEON_GPU_PAGE_SIZE;
> + RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles;
> r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
> RADEON_GEM_DOMAIN_VRAM, 0, NULL,
> NULL, &rdev->uvd.vcpu_bo);
> @@ -199,7 +216,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
>
> radeon_bo_unreserve(rdev->uvd.vcpu_bo);
>
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
> + for (i = 0; i < rdev->uvd.max_handles; ++i) {
> atomic_set(&rdev->uvd.handles[i], 0);
> rdev->uvd.filp[i] = NULL;
> rdev->uvd.img_size[i] = 0;
> @@ -236,7 +253,7 @@ int radeon_uvd_suspend(struct radeon_device *rdev)
> if (rdev->uvd.vcpu_bo == NULL)
> return 0;
>
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
> + for (i = 0; i < rdev->uvd.max_handles; ++i) {
> uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
> if (handle != 0) {
> struct radeon_fence *fence;
> @@ -311,7 +328,7 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
> void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp)
> {
> int i, r;
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
> + for (i = 0; i < rdev->uvd.max_handles; ++i) {
> uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
> if (handle != 0 && rdev->uvd.filp[i] == filp) {
> struct radeon_fence *fence;
> @@ -496,7 +513,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
> return r;
>
> /* try to alloc a new handle */
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
> + for (i = 0; i < p->rdev->uvd.max_handles; ++i) {
> if (atomic_read(&p->rdev->uvd.handles[i]) == handle) {
> DRM_ERROR("Handle 0x%x already in use!\n", handle);
> return -EINVAL;
> @@ -522,7 +539,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
> return r;
>
> /* validate the handle */
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
> + for (i = 0; i < p->rdev->uvd.max_handles; ++i) {
> if (atomic_read(&p->rdev->uvd.handles[i]) == handle) {
> if (p->rdev->uvd.filp[i] != p->filp) {
> DRM_ERROR("UVD handle collision detected!\n");
> @@ -537,7 +554,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
>
> case 2:
> /* it's a destroy msg, free the handle */
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i)
> + for (i = 0; i < p->rdev->uvd.max_handles; ++i)
> atomic_cmpxchg(&p->rdev->uvd.handles[i], handle, 0);
> radeon_bo_kunmap(bo);
> return 0;
> @@ -834,7 +851,7 @@ static void radeon_uvd_count_handles(struct radeon_device *rdev,
> *sd = 0;
> *hd = 0;
>
> - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
> + for (i = 0; i < rdev->uvd.max_handles; ++i) {
> if (!atomic_read(&rdev->uvd.handles[i]))
> continue;
>
> diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
> index c6b1cbc..ff471cb 100644
> --- a/drivers/gpu/drm/radeon/uvd_v1_0.c
> +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
> @@ -124,12 +124,13 @@ int uvd_v1_0_resume(struct radeon_device *rdev)
> WREG32(UVD_VCPU_CACHE_SIZE0, size);
>
> addr += size;
> - size = RADEON_UVD_STACK_SIZE >> 3;
> + size = RADEON_UVD_HEAP_SIZE >> 3;
> WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
> WREG32(UVD_VCPU_CACHE_SIZE1, size);
>
> addr += size;
> - size = RADEON_UVD_HEAP_SIZE >> 3;
> + size = (RADEON_UVD_STACK_SIZE +
> + (RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles)) >> 3;
> WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
> WREG32(UVD_VCPU_CACHE_SIZE2, size);
>
> diff --git a/drivers/gpu/drm/radeon/uvd_v2_2.c b/drivers/gpu/drm/radeon/uvd_v2_2.c
> index 7ed778c..9071e65 100644
> --- a/drivers/gpu/drm/radeon/uvd_v2_2.c
> +++ b/drivers/gpu/drm/radeon/uvd_v2_2.c
> @@ -116,12 +116,13 @@ int uvd_v2_2_resume(struct radeon_device *rdev)
> WREG32(UVD_VCPU_CACHE_SIZE0, size);
>
> addr += size;
> - size = RADEON_UVD_STACK_SIZE >> 3;
> + size = RADEON_UVD_HEAP_SIZE >> 3;
> WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
> WREG32(UVD_VCPU_CACHE_SIZE1, size);
>
> addr += size;
> - size = RADEON_UVD_HEAP_SIZE >> 3;
> + size = (RADEON_UVD_STACK_SIZE +
> + (RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles)) >> 3;
> WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
> WREG32(UVD_VCPU_CACHE_SIZE2, size);
>
> diff --git a/drivers/gpu/drm/radeon/uvd_v4_2.c b/drivers/gpu/drm/radeon/uvd_v4_2.c
> index 205562f..91613b8 100644
> --- a/drivers/gpu/drm/radeon/uvd_v4_2.c
> +++ b/drivers/gpu/drm/radeon/uvd_v4_2.c
> @@ -53,12 +53,13 @@ int uvd_v4_2_resume(struct radeon_device *rdev)
> WREG32(UVD_VCPU_CACHE_SIZE0, size);
>
> addr += size;
> - size = RADEON_UVD_STACK_SIZE >> 3;
> + size = RADEON_UVD_HEAP_SIZE >> 3;
> WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
> WREG32(UVD_VCPU_CACHE_SIZE1, size);
>
> addr += size;
> - size = RADEON_UVD_HEAP_SIZE >> 3;
> + size = (RADEON_UVD_STACK_SIZE +
> + (RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles)) >> 3;
> WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
> WREG32(UVD_VCPU_CACHE_SIZE2, size);
>
> @@ -70,5 +71,8 @@ int uvd_v4_2_resume(struct radeon_device *rdev)
> addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
> WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
>
> + if (rdev->uvd.fw_header_present)
> + WREG32(UVD_GP_SCRATCH4, rdev->uvd.max_handles);
> +
> return 0;
> }
> --
> 1.9.1
>
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