From: Christian König Date: Thu, 7 Jul 2016 12:28:06 +0000 (+0200) Subject: radeon/uvd: add session context buffer for polaris 10/11 v2 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3e1ad846f9c2f3516861d03ba99c4cb22f5f1b6e;p=mesa.git 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 Reviewed-by: Leo Liu --- diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c index 10bed7cc663..d5d654ac4a3 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); diff --git a/src/gallium/drivers/radeon/radeon_uvd.h b/src/gallium/drivers/radeon/radeon_uvd.h index bb1782ab749..e3f8504d843 100644 --- a/src/gallium/drivers/radeon/radeon_uvd.h +++ b/src/gallium/drivers/radeon/radeon_uvd.h @@ -61,6 +61,7 @@ #define RUVD_CMD_DPB_BUFFER 0x00000001 #define RUVD_CMD_DECODING_TARGET_BUFFER 0x00000002 #define RUVD_CMD_FEEDBACK_BUFFER 0x00000003 +#define RUVD_CMD_SESSION_CONTEXT_BUFFER 0x00000005 #define RUVD_CMD_BITSTREAM_BUFFER 0x00000100 #define RUVD_CMD_ITSCALING_TABLE_BUFFER 0x00000204 #define RUVD_CMD_CONTEXT_BUFFER 0x00000206