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authorChristian König <christian.koenig@amd.com>2016-07-07 14:28:06 +0200
committerChristian König <christian.koenig@amd.com>2016-07-18 17:13:17 +0200
commit3e1ad846f9c2f3516861d03ba99c4cb22f5f1b6e (patch)
tree9cd8bb20f1ddb3a1a4a24a0835055706dcf7f176 /src/gallium/drivers/radeon/radeon_uvd.c
parent134d6e4e4f980d738361bfcae1daedb8cc58b5df (diff)
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radeon/uvd: add session context buffer for polaris 10/11 v2
This way we have unlimited UVD sessions. v2: only enable it when kernel supports it as well. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Leo Liu <leo.liu@amd.com>
Diffstat (limited to 'src/gallium/drivers/radeon/radeon_uvd.c')
-rw-r--r--src/gallium/drivers/radeon/radeon_uvd.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c
index 10bed7c..d5d654a 100644
--- a/src/gallium/drivers/radeon/radeon_uvd.c
+++ b/src/gallium/drivers/radeon/radeon_uvd.c
@@ -59,6 +59,7 @@
#define FB_BUFFER_SIZE 2048
#define FB_BUFFER_SIZE_TONGA (2048 * 64)
#define IT_SCALING_TABLE_SIZE 992
+#define UVD_SESSION_CONTEXT_SIZE (128 * 1024)
/* UVD decoder representation */
struct ruvd_decoder {
@@ -89,6 +90,7 @@ struct ruvd_decoder {
struct rvid_buffer dpb;
bool use_legacy;
struct rvid_buffer ctx;
+ struct rvid_buffer sessionctx;
};
/* flush IB to the hardware */
@@ -170,6 +172,12 @@ static void send_msg_buf(struct ruvd_decoder *dec)
dec->fb = NULL;
dec->it = NULL;
+
+ if (dec->sessionctx.res)
+ send_cmd(dec, RUVD_CMD_SESSION_CONTEXT_BUFFER,
+ dec->sessionctx.res->buf, 0, RADEON_USAGE_READWRITE,
+ RADEON_DOMAIN_VRAM);
+
/* and send it to the hardware */
send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->res->buf, 0,
RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
@@ -938,6 +946,7 @@ static void ruvd_destroy(struct pipe_video_codec *decoder)
rvid_destroy_buffer(&dec->dpb);
rvid_destroy_buffer(&dec->ctx);
+ rvid_destroy_buffer(&dec->sessionctx);
FREE(dec);
}
@@ -1259,6 +1268,16 @@ struct pipe_video_codec *ruvd_create_decoder(struct pipe_context *context,
rvid_clear_buffer(context, &dec->ctx);
}
+ if (info.family >= CHIP_POLARIS10 && info.drm_minor >= 3) {
+ if (!rvid_create_buffer(dec->screen, &dec->sessionctx,
+ UVD_SESSION_CONTEXT_SIZE,
+ PIPE_USAGE_DEFAULT)) {
+ RVID_ERR("Can't allocated session ctx.\n");
+ goto error;
+ }
+ rvid_clear_buffer(context, &dec->sessionctx);
+ }
+
map_msg_fb_it_buf(dec);
dec->msg->size = sizeof(*dec->msg);
dec->msg->msg_type = RUVD_MSG_CREATE;
@@ -1286,6 +1305,7 @@ error:
rvid_destroy_buffer(&dec->dpb);
rvid_destroy_buffer(&dec->ctx);
+ rvid_destroy_buffer(&dec->sessionctx);
FREE(dec);