[PATCH 4/4] drm/amdgpu: Fix UVD min buffer sizes
David Rosca <[email protected]> Thu, 30 Jul 2026 19:02:31 +0200
| Newsgroups | org.freedesktop.lists.amd-gfx |
|---|---|
| Message-ID | <[email protected]> |
Use correct size for message buffer = sizeof(struct ruvd_msg). Add ITSCALING_TABLE_BUFFER size. Signed-off-by: David Rosca <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 12 +++++++----- 1 file 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; -- 2.43.0