drm/amdgpu: add video decode/encode cap tables and asic callbacks (v3)

For each asic family.  Will be used to populate tables
for the new INFO ioctl query.

v2: add max_pixels_per_frame to handle the portrait case
v3: fix copy paste typos

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 109 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index 6b5cf7882a12..489dbcc7040d 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -905,6 +905,114 @@ static const u32 hainan_mgcg_cgcg_init[] =
 	0x3630, 0xfffffff0, 0x00000100,
 };
 
+/* XXX: update when we support VCE */
+#if 0
+/* tahiti, pitcarin, verde */
+static const struct amdgpu_video_codec_info tahiti_video_codecs_encode_array[] =
+{
+	{
+		.codec_type = AMDGPU_VIDEO_CODEC_TYPE_MPEG4_AVC,
+		.max_width = 2048,
+		.max_height = 1152,
+		.max_pixels_per_frame = 2048 * 1152,
+		.max_level = 0,
+	},
+};
+
+static const struct amdgpu_video_codecs tahiti_video_codecs_encode =
+{
+	.codec_count = ARRAY_SIZE(tahiti_video_codecs_encode_array),
+	.codec_array = tahiti_video_codecs_encode_array,
+};
+#else
+static const struct amdgpu_video_codecs tahiti_video_codecs_encode =
+{
+	.codec_count = 0,
+	.codec_array = NULL,
+};
+#endif
+/* oland and hainan don't support encode */
+static const struct amdgpu_video_codecs hainan_video_codecs_encode =
+{
+	.codec_count = 0,
+	.codec_array = NULL,
+};
+
+/* tahiti, pitcarin, verde, oland */
+static const struct amdgpu_video_codec_info tahiti_video_codecs_decode_array[] =
+{
+	{
+		.codec_type = AMDGPU_VIDEO_CODEC_TYPE_MPEG2,
+		.max_width = 2048,
+		.max_height = 1152,
+		.max_pixels_per_frame = 2048 * 1152,
+		.max_level = 3,
+	},
+	{
+		.codec_type = AMDGPU_VIDEO_CODEC_TYPE_MPEG4,
+		.max_width = 2048,
+		.max_height = 1152,
+		.max_pixels_per_frame = 2048 * 1152,
+		.max_level = 5,
+	},
+	{
+		.codec_type = AMDGPU_VIDEO_CODEC_TYPE_MPEG4_AVC,
+		.max_width = 2048,
+		.max_height = 1152,
+		.max_pixels_per_frame = 2048 * 1152,
+		.max_level = 41,
+	},
+	{
+		.codec_type = AMDGPU_VIDEO_CODEC_TYPE_VC1,
+		.max_width = 2048,
+		.max_height = 1152,
+		.max_pixels_per_frame = 2048 * 1152,
+		.max_level = 4,
+	},
+};
+
+static const struct amdgpu_video_codecs tahiti_video_codecs_decode =
+{
+	.codec_count = ARRAY_SIZE(tahiti_video_codecs_decode_array),
+	.codec_array = tahiti_video_codecs_decode_array,
+};
+
+/* hainan doesn't support decode */
+static const struct amdgpu_video_codecs hainan_video_codecs_decode =
+{
+	.codec_count = 0,
+	.codec_array = NULL,
+};
+
+static int si_query_video_codecs(struct amdgpu_device *adev, bool encode,
+				 const struct amdgpu_video_codecs **codecs)
+{
+	switch (adev->asic_type) {
+	case CHIP_VERDE:
+	case CHIP_TAHITI:
+	case CHIP_PITCAIRN:
+		if (encode)
+			*codecs = &tahiti_video_codecs_encode;
+		else
+			*codecs = &tahiti_video_codecs_decode;
+		return 0;
+	case CHIP_OLAND:
+		if (encode)
+			*codecs = &hainan_video_codecs_encode;
+		else
+			*codecs = &tahiti_video_codecs_decode;
+		return 0;
+	case CHIP_HAINAN:
+		if (encode)
+			*codecs = &hainan_video_codecs_encode;
+		else
+			*codecs = &hainan_video_codecs_decode;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
 static u32 si_pcie_rreg(struct amdgpu_device *adev, u32 reg)
 {
 	unsigned long flags;
@@ -1903,6 +2011,7 @@ static const struct amdgpu_asic_funcs si_asic_funcs =
 	.get_pcie_replay_count = &si_get_pcie_replay_count,
 	.supports_baco = &si_asic_supports_baco,
 	.pre_asic_init = &si_pre_asic_init,
+	.query_video_codecs = &si_query_video_codecs,
 };
 
 static uint32_t si_get_rev_id(struct amdgpu_device *adev)