From f35e9bdb06fbfa8a6fe9d25390fbee2ee5e7a329 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 7 Jan 2021 16:48:01 -0500 Subject: drm/amdgpu: add INFO ioctl support for querying video caps (v4) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We currently hardcode these in mesa, but querying them from the kernel makes more sense since there may be board specific limitations that the kernel driver is better suited to determining. Userpace patches that use this interface: https://gitlab.freedesktop.org/leoliu/drm/-/commits/info_video_caps https://gitlab.freedesktop.org/leoliu/mesa/-/commits/info_video_caps v2: reorder the codecs to better align with mesa v3: add max_pixels_per_frame to handle the portrait case, squash in memory leak fix v4: drop extra break Reviewed-by: Christian König Reviewed-by: Leo Liu (v2) Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 57 +++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index cf81ade31703..9f35e8a6c421 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -982,6 +982,63 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) min_t(u64, size, sizeof(ras_mask))) ? -EFAULT : 0; } + case AMDGPU_INFO_VIDEO_CAPS: { + const struct amdgpu_video_codecs *codecs; + struct drm_amdgpu_info_video_caps *caps; + int r; + + switch (info->video_cap.type) { + case AMDGPU_INFO_VIDEO_CAPS_DECODE: + r = amdgpu_asic_query_video_codecs(adev, false, &codecs); + if (r) + return -EINVAL; + break; + case AMDGPU_INFO_VIDEO_CAPS_ENCODE: + r = amdgpu_asic_query_video_codecs(adev, true, &codecs); + if (r) + return -EINVAL; + break; + default: + DRM_DEBUG_KMS("Invalid request %d\n", + info->video_cap.type); + return -EINVAL; + } + + caps = kzalloc(sizeof(*caps), GFP_KERNEL); + if (!caps) + return -ENOMEM; + + for (i = 0; i < codecs->codec_count; i++) { + int idx = codecs->codec_array[i].codec_type; + + switch (idx) { + case AMDGPU_VIDEO_CODEC_TYPE_MPEG2: + case AMDGPU_VIDEO_CODEC_TYPE_MPEG4: + case AMDGPU_VIDEO_CODEC_TYPE_MPEG4_AVC: + case AMDGPU_VIDEO_CODEC_TYPE_VC1: + case AMDGPU_VIDEO_CODEC_TYPE_HEVC: + case AMDGPU_VIDEO_CODEC_TYPE_JPEG: + case AMDGPU_VIDEO_CODEC_TYPE_VP9: + case AMDGPU_VIDEO_CODEC_TYPE_AV1: + caps->codec_info[idx].valid = 1; + caps->codec_info[idx].max_width = + codecs->codec_array[i].max_width; + caps->codec_info[idx].max_height = + codecs->codec_array[i].max_height; + caps->codec_info[idx].max_pixels_per_frame = + codecs->codec_array[i].max_pixels_per_frame; + caps->codec_info[idx].max_level = + codecs->codec_array[i].max_level; + break; + default: + break; + } + } + r = copy_to_user(out, caps, + min((size_t)size, sizeof(*caps))) ? -EFAULT : 0; + kfree(caps); + return r; + } default: DRM_DEBUG_KMS("Invalid request %d\n", info->query); return -EINVAL; -- cgit v1.2.3-70-g09d2