From: Christian König <christian.koenig@amd.com>
Date: Tue, 5 May 2015 14:36:01 +0000 (+0200)
Subject: drm/amdgpu: add HEVC/H.265 UVD support
X-Git-Tag: firefly_0821_release~176^2~1470^2~25^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3;p=firefly-linux-kernel-4.4.55.git

drm/amdgpu: add HEVC/H.265 UVD support

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 375759c8639c..2f7a5efa21c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -460,6 +460,14 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[])
 		min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
 		break;
 
+	case 16: /* H265 */
+		image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
+		image_size = ALIGN(image_size, 256);
+
+		num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
+		min_dpb_size = image_size * num_dpb_buffer;
+		break;
+
 	default:
 		DRM_ERROR("UVD codec not handled %d!\n", stream_type);
 		return -EINVAL;