radeon/uvd: separate uvd context buffer from DPB

Adapt driver for Polairs uvd firmware interface changes.

Signed-off-by: sonjiang <sonny.jiang@amd.com>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
(cherry picked from commit 5c80354a23b7d770b2d61b626b9d62fdf764ca9d)

diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c
index a2d1d2d..1f28b01 100644 (file)
--- a/src/gallium/drivers/radeon/radeon_uvd.c
+++ b/src/gallium/drivers/radeon/radeon_uvd.c
@@ -60,6 +60,8 @@
 #define FB_BUFFER_SIZE_TONGA (2048 * 64)
 #define IT_SCALING_TABLE_SIZE 992
 
+#define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
+
 /* UVD decoder representation */
 struct ruvd_decoder {
        struct pipe_video_codec         base;
@@ -208,6 +210,60 @@ static uint32_t profile2stream_type(struct ruvd_decoder *dec, unsigned family)
        }
 }
 
+static unsigned calc_ctx_size_h264_perf(struct ruvd_decoder *dec)
+{
+       unsigned width_in_mb, height_in_mb, ctx_size;
+       unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
+       unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
+
+       unsigned max_references = dec->base.max_references + 1;
+
+       // picture width & height in 16 pixel units
+       width_in_mb = width / VL_MACROBLOCK_WIDTH;
+       height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
+
+       if (!dec->use_legacy) {
+               unsigned fs_in_mb = width_in_mb * height_in_mb;
+               unsigned num_dpb_buffer;
+               switch(dec->base.level) {
+               case 30:
+                       num_dpb_buffer = 8100 / fs_in_mb;
+                       break;
+               case 31:
+                       num_dpb_buffer = 18000 / fs_in_mb;
+                       break;
+               case 32:
+                       num_dpb_buffer = 20480 / fs_in_mb;
+                       break;
+               case 41:
+                       num_dpb_buffer = 32768 / fs_in_mb;
+                       break;
+               case 42:
+                       num_dpb_buffer = 34816 / fs_in_mb;
+                       break;
+               case 50:
+                       num_dpb_buffer = 110400 / fs_in_mb;
+                       break;
+               case 51:
+                       num_dpb_buffer = 184320 / fs_in_mb;
+                       break;
+               default:
+                       num_dpb_buffer = 184320 / fs_in_mb;
+                       break;
+               }
+               num_dpb_buffer++;
+               max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
+               ctx_size = max_references * align(width_in_mb * height_in_mb  * 192, 256);
+       } else {
+               // the firmware seems to always assume a minimum of ref frames
+               max_references = MAX2(NUM_H264_REFS, max_references);
+               // macroblock context buffer
+               ctx_size = align(width_in_mb * height_in_mb * max_references * 192, 256);
+       }
+
+       return ctx_size;
+}
+
 static unsigned calc_ctx_size_h265_main(struct ruvd_decoder *dec)
 {
        unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
@@ -316,17 +372,23 @@ static unsigned calc_dpb_size(struct ruvd_decoder *dec)
                        num_dpb_buffer++;
                        max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
                        dpb_size = image_size * max_references;
-                       dpb_size += max_references * align(width_in_mb * height_in_mb  * 192, alignment);
-                       dpb_size += align(width_in_mb * height_in_mb * 32, alignment);
+                       if ((dec->stream_type != RUVD_CODEC_H264_PERF) ||
+                           (((struct r600_common_screen*)dec->screen)->family < CHIP_POLARIS10)) {
+                               dpb_size += max_references * align(width_in_mb * height_in_mb  * 192, alignment);
+                               dpb_size += align(width_in_mb * height_in_mb * 32, alignment);
+                       }
                } else {
                        // the firmware seems to allways assume a minimum of ref frames
                        max_references = MAX2(NUM_H264_REFS, max_references);
                        // reference picture buffer
                        dpb_size = image_size * max_references;
-                       // macroblock context buffer
-                       dpb_size += width_in_mb * height_in_mb * max_references * 192;
-                       // IT surface buffer
-                       dpb_size += width_in_mb * height_in_mb * 32;
+                       if ((dec->stream_type != RUVD_CODEC_H264_PERF) ||
+                           (((struct r600_common_screen*)dec->screen)->family < CHIP_POLARIS10)) {
+                               // macroblock context buffer
+                               dpb_size += width_in_mb * height_in_mb * max_references * 192;
+                               // IT surface buffer
+                               dpb_size += width_in_mb * height_in_mb * 32;
+                       }
                }
                break;
        }
@@ -877,7 +939,9 @@ static void ruvd_destroy(struct pipe_video_codec *decoder)
        }
 
        rvid_destroy_buffer(&dec->dpb);
-       if (u_reduce_video_profile(dec->base.profile) == PIPE_VIDEO_FORMAT_HEVC)
+       if ((u_reduce_video_profile(dec->base.profile) == PIPE_VIDEO_FORMAT_HEVC) ||
+           (dec->stream_type == RUVD_CODEC_H264_PERF &&
+           ((struct r600_common_screen*)dec->screen)->family >= CHIP_POLARIS10))
                rvid_destroy_buffer(&dec->ctx);
 
        FREE(dec);
@@ -1006,6 +1070,10 @@ static void ruvd_end_frame(struct pipe_video_codec *decoder,
        dec->msg->body.decode.bsd_size = bs_size;
        dec->msg->body.decode.db_pitch = align(dec->base.width, 16);
 
+       if (dec->stream_type == RUVD_CODEC_H264_PERF &&
+           ((struct r600_common_screen*)dec->screen)->family >= CHIP_POLARIS10)
+               dec->msg->body.decode.dpb_reserved = dec->ctx.res->buf->size;
+
        dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target);
        if (((struct r600_common_screen*)dec->screen)->family >= CHIP_STONEY)
                dec->msg->body.decode.dt_wa_chroma_top_offset = dec->msg->body.decode.dt_pitch / 2;
@@ -1057,7 +1125,9 @@ static void ruvd_end_frame(struct pipe_video_codec *decoder,
 
        send_cmd(dec, RUVD_CMD_DPB_BUFFER, dec->dpb.res->buf, 0,
                 RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
-       if (u_reduce_video_profile(picture->profile) == PIPE_VIDEO_FORMAT_HEVC) {
+       if ((u_reduce_video_profile(picture->profile) == PIPE_VIDEO_FORMAT_HEVC) ||
+           (dec->stream_type == RUVD_CODEC_H264_PERF &&
+           ((struct r600_common_screen*)dec->screen)->family >= CHIP_POLARIS10)) {
                send_cmd(dec, RUVD_CMD_CONTEXT_BUFFER, dec->ctx.res->buf, 0,
                        RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
        }
@@ -1108,7 +1178,16 @@ struct pipe_video_codec *ruvd_create_decoder(struct pipe_context *context,
 
                /* fall through */
        case PIPE_VIDEO_FORMAT_MPEG4:
+               width = align(width, VL_MACROBLOCK_WIDTH);
+               height = align(height, VL_MACROBLOCK_HEIGHT);
+               break;
        case PIPE_VIDEO_FORMAT_MPEG4_AVC:
+               if ((info.family == CHIP_POLARIS10 || info.family == CHIP_POLARIS11) &&
+                   info.uvd_fw_version < FW_1_66_16 ) {
+                       RVID_ERR("POLARIS10/11 firmware version need to be updated.\n");
+                       return NULL;
+               }
+
                width = align(width, VL_MACROBLOCK_WIDTH);
                height = align(height, VL_MACROBLOCK_HEIGHT);
                break;
@@ -1182,6 +1261,15 @@ struct pipe_video_codec *ruvd_create_decoder(struct pipe_context *context,
 
        rvid_clear_buffer(context, &dec->dpb);
 
+       if (dec->stream_type == RUVD_CODEC_H264_PERF && info.family >= CHIP_POLARIS10) {
+               unsigned ctx_size = calc_ctx_size_h264_perf(dec);
+               if (!rvid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
+                       RVID_ERR("Can't allocated context buffer.\n");
+                       goto error;
+               }
+               rvid_clear_buffer(context, &dec->ctx);
+       }
+
        map_msg_fb_it_buf(dec);
        dec->msg->size = sizeof(*dec->msg);
        dec->msg->msg_type = RUVD_MSG_CREATE;
@@ -1205,7 +1293,7 @@ error:
        }
 
        rvid_destroy_buffer(&dec->dpb);
-       if (u_reduce_video_profile(dec->base.profile) == PIPE_VIDEO_FORMAT_HEVC)
+       if (dec->stream_type == RUVD_CODEC_H264_PERF && info.family >= CHIP_POLARIS10)
                rvid_destroy_buffer(&dec->ctx);
 
        FREE(dec);