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| author | David Rosca <david.rosca@amd.com> | 2026-07-30 18:05:52 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-08-12 09:41:25 -0400 |
| commit | 37519d007e4261febbcf35b3045f8344f3145497 (patch) | |
| tree | 7cb0f5377bbfe4cc53cb080591918b32d53a3c66 /drivers/gpu | |
| parent | b41c8cb12e202b220353332ab87dc01a11f69304 (diff) | |
| download | linux-37519d007e4261febbcf35b3045f8344f3145497.tar.gz linux-37519d007e4261febbcf35b3045f8344f3145497.zip | |
drm/amdgpu: Fix UVD min buffer sizes
Use correct size for message buffer = sizeof(struct ruvd_msg).
Add ITSCALING_TABLE_BUFFER size.
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 947a6cd45881..e2d0f23d48aa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -918,15 +918,16 @@ static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx) ctx->buf_sizes[cmd]); return -EINVAL; } + } else if (cmd == 0x204 || cmd == 0x206) { + unsigned int min_size = ctx->buf_sizes[cmd == 0x204 ? 5 : 4]; - } else if (cmd == 0x206) { - if ((end - start) < ctx->buf_sizes[4]) { + if ((end - start) < min_size) { DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, (unsigned int)(end - start), - ctx->buf_sizes[4]); + min_size); return -EINVAL; } - } else if ((cmd != 0x100) && (cmd != 0x204)) { + } else if ((cmd != 0x100)) { DRM_ERROR("invalid UVD command %X!\n", cmd); return -EINVAL; } @@ -1056,11 +1057,12 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, { struct amdgpu_uvd_cs_ctx ctx = {}; unsigned int buf_sizes[] = { - [0x00000000] = 2048, + [0x00000000] = 3556, [0x00000001] = 0xFFFFFFFF, [0x00000002] = 0xFFFFFFFF, [0x00000003] = 2048, [0x00000004] = 0xFFFFFFFF, + [0x00000005] = 992, }; int r; |