diff options
| author | David Rosca <david.rosca@amd.com> | 2026-07-30 17:56:17 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-08-12 09:41:18 -0400 |
| commit | 64b525edb7e7bdfcdc77883c5e413804e2396856 (patch) | |
| tree | f0ea906207e4e7a442c158f05bb1604a094b5c1b | |
| parent | 05e1387d151f71569fbe122d2c89f9db0c21dc10 (diff) | |
| download | linux-64b525edb7e7bdfcdc77883c5e413804e2396856.tar.gz linux-64b525edb7e7bdfcdc77883c5e413804e2396856.zip | |
drm/amdgpu: Fix UVD dpb min size calculation for H264
This should use actual number of references from the decode
message, instead of maximum derived from level.
Signed-off-by: David Rosca <david.rosca@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 62 |
1 files changed, 4 insertions, 58 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 63561d1d7963..fa899e321f48 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -646,11 +646,9 @@ static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg, unsigned int height = msg[7]; unsigned int dpb_size = msg[9]; unsigned int pitch = msg[28]; - unsigned int level = msg[57]; unsigned int width_in_mb = width / 16; unsigned int height_in_mb = ALIGN(height / 16, 2); - unsigned int fs_in_mb = width_in_mb * height_in_mb; unsigned int image_size, tmp, min_dpb_size, num_dpb_buffer; unsigned int min_ctx_size = ~0; @@ -669,35 +667,9 @@ static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg, switch (stream_type) { case 0: /* H264 */ - switch (level) { - case 30: - num_dpb_buffer = 8100 / fs_in_mb; - break; - case 31: - num_dpb_buffer = 18000 / fs_in_mb; - break; - case 32: - num_dpb_buffer = 20480 / fs_in_mb; - break; - case 41: - num_dpb_buffer = 32768 / fs_in_mb; - break; - case 42: - num_dpb_buffer = 34816 / fs_in_mb; - break; - case 50: - num_dpb_buffer = 110400 / fs_in_mb; - break; - case 51: - num_dpb_buffer = 184320 / fs_in_mb; - break; - default: - num_dpb_buffer = 184320 / fs_in_mb; - break; - } - num_dpb_buffer++; + num_dpb_buffer = ((msg[61] >> 16) & 0xff) + 1; if (num_dpb_buffer > 17) - num_dpb_buffer = 17; + return -EINVAL; /* reference picture buffer */ min_dpb_size = image_size * num_dpb_buffer; @@ -747,35 +719,9 @@ static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg, break; case 7: /* H264 Perf */ - switch (level) { - case 30: - num_dpb_buffer = 8100 / fs_in_mb; - break; - case 31: - num_dpb_buffer = 18000 / fs_in_mb; - break; - case 32: - num_dpb_buffer = 20480 / fs_in_mb; - break; - case 41: - num_dpb_buffer = 32768 / fs_in_mb; - break; - case 42: - num_dpb_buffer = 34816 / fs_in_mb; - break; - case 50: - num_dpb_buffer = 110400 / fs_in_mb; - break; - case 51: - num_dpb_buffer = 184320 / fs_in_mb; - break; - default: - num_dpb_buffer = 184320 / fs_in_mb; - break; - } - num_dpb_buffer++; + num_dpb_buffer = ((msg[61] >> 16) & 0xff) + 1; if (num_dpb_buffer > 17) - num_dpb_buffer = 17; + return -EINVAL; /* reference picture buffer */ min_dpb_size = image_size * num_dpb_buffer; |