[PATCH 20/20] drm/amd/display: Expose send immediate sdp message interface
Bhawanpreet Lakha
Bhawanpreet.Lakha at amd.com
Tue Apr 30 21:09:38 UTC 2019
From: "Leo (Hanghong) Ma" <hanghong.ma at amd.com>
[Why]
To send sdp message immediately from a single slot.
[How]
Modify the generic SDP message interface, and use GSP4 to send immediate
sdp message.
Change-Id: I3f4c5ed84a021ee030d002d0155d6541f04930b9
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet Lakha at amd.com>
---
.../gpu/drm/amd/display/dc/core/dc_resource.c | 18 ---
.../gpu/drm/amd/display/dc/core/dc_stream.c | 47 ++------
.../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 13 +++
.../display/dc/dcn10/dcn10_stream_encoder.c | 106 +++++++++++++++++-
.../display/dc/dcn10/dcn10_stream_encoder.h | 22 ++++
.../amd/display/dc/inc/hw/stream_encoder.h | 7 +-
.../gpu/drm/amd/display/dc/inc/hw_sequencer.h | 5 +
7 files changed, 155 insertions(+), 63 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 47b99458d319..58ce7a6b914c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2446,21 +2446,6 @@ static void set_spd_info_packet(
*info_packet = stream->vrr_infopacket;
}
-static void set_dp_sdp_info_packet(
- struct dc_info_packet *info_packet,
- struct dc_stream_state *stream)
-{
- /* SPD info packet for custom sdp message */
-
- /* Return if false. If true,
- * set the corresponding bit in the info packet
- */
- if (!stream->dpsdp_infopacket.valid)
- return;
-
- *info_packet = stream->dpsdp_infopacket;
-}
-
static void set_hdr_static_info_packet(
struct dc_info_packet *info_packet,
struct dc_stream_state *stream)
@@ -2557,7 +2542,6 @@ void resource_build_info_frame(struct pipe_ctx *pipe_ctx)
info->spd.valid = false;
info->hdrsmd.valid = false;
info->vsc.valid = false;
- info->dpsdp.valid = false;
signal = pipe_ctx->stream->signal;
@@ -2577,8 +2561,6 @@ void resource_build_info_frame(struct pipe_ctx *pipe_ctx)
set_spd_info_packet(&info->spd, pipe_ctx->stream);
set_hdr_static_info_packet(&info->hdrsmd, pipe_ctx->stream);
-
- set_dp_sdp_info_packet(&info->dpsdp, pipe_ctx->stream);
}
patch_gamut_packet_checksum(&info->gamut);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index c50b4951c986..f2eeba8168f7 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -371,42 +371,12 @@ uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
return 0;
}
-static void build_dp_sdp_info_frame(struct pipe_ctx *pipe_ctx,
- const uint8_t *custom_sdp_message,
- unsigned int sdp_message_size)
-{
- uint8_t i;
- struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame;
-
- /* set valid info */
- info->dpsdp.valid = true;
-
- /* set sdp message header */
- info->dpsdp.hb0 = custom_sdp_message[0]; /* package id */
- info->dpsdp.hb1 = custom_sdp_message[1]; /* package type */
- info->dpsdp.hb2 = custom_sdp_message[2]; /* package specific byte 0 any data */
- info->dpsdp.hb3 = custom_sdp_message[3]; /* package specific byte 0 any data */
-
- /* set sdp message data */
- for (i = 0; i < 32; i++)
- info->dpsdp.sb[i] = (custom_sdp_message[i+4]);
-
-}
-
-static void invalid_dp_sdp_info_frame(struct pipe_ctx *pipe_ctx)
-{
- struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame;
-
- /* in-valid info */
- info->dpsdp.valid = false;
-}
-
bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
const uint8_t *custom_sdp_message,
unsigned int sdp_message_size)
{
int i;
- struct dc *core_dc;
+ struct dc *dc;
struct resource_context *res_ctx;
if (stream == NULL) {
@@ -414,8 +384,8 @@ bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
return false;
}
- core_dc = stream->ctx->dc;
- res_ctx = &core_dc->current_state->res_ctx;
+ dc = stream->ctx->dc;
+ res_ctx = &dc->current_state->res_ctx;
for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
@@ -423,11 +393,14 @@ bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
if (pipe_ctx->stream != stream)
continue;
- build_dp_sdp_info_frame(pipe_ctx, custom_sdp_message, sdp_message_size);
-
- core_dc->hwss.update_info_frame(pipe_ctx);
+ if (dc->hwss.send_immediate_sdp_message != NULL)
+ dc->hwss.send_immediate_sdp_message(pipe_ctx,
+ custom_sdp_message,
+ sdp_message_size);
+ else
+ DC_LOG_WARNING("%s:send_immediate_sdp_message not implemented on this ASIC\n",
+ __func__);
- invalid_dp_sdp_info_frame(pipe_ctx);
}
return true;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 723b2ddf9aa5..c2b60b1e1a25 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2957,6 +2957,18 @@ static void dcn10_unblank_stream(struct pipe_ctx *pipe_ctx,
}
}
+static void dcn10_send_immediate_sdp_message(struct pipe_ctx *pipe_ctx,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size)
+{
+ if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
+ pipe_ctx->stream_res.stream_enc->funcs->send_immediate_sdp_message(
+ pipe_ctx->stream_res.stream_enc,
+ custom_sdp_message,
+ sdp_message_size);
+ }
+}
+
static const struct hw_sequencer_funcs dcn10_funcs = {
.program_gamut_remap = program_gamut_remap,
.init_hw = dcn10_init_hw,
@@ -2976,6 +2988,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
.enable_timing_synchronization = dcn10_enable_timing_synchronization,
.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
.update_info_frame = dce110_update_info_frame,
+ .send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
.enable_stream = dce110_enable_stream,
.disable_stream = dce110_disable_stream,
.unblank_stream = dcn10_unblank_stream,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
index c259c51dff9a..ba71b5224e7f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
@@ -727,11 +727,9 @@ void enc1_stream_encoder_update_dp_info_packets(
3, /* packetIndex */
&info_frame->hdrsmd);
- if (info_frame->dpsdp.valid)
- enc1_update_generic_info_packet(
- enc1,
- 4,/* packetIndex */
- &info_frame->dpsdp);
+ /* packetIndex 4 is used for send immediate sdp message, and please
+ * use other packetIndex (such as 5,6) for other info packet
+ */
/* enable/disable transmission of packet(s).
* If enabled, packet transmission begins on the next frame
@@ -739,7 +737,101 @@ void enc1_stream_encoder_update_dp_info_packets(
REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP0_ENABLE, info_frame->vsc.valid);
REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP2_ENABLE, info_frame->spd.valid);
REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP3_ENABLE, info_frame->hdrsmd.valid);
- REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP4_ENABLE, info_frame->dpsdp.valid);
+
+
+ /* This bit is the master enable bit.
+ * When enabling secondary stream engine,
+ * this master bit must also be set.
+ * This register shared with audio info frame.
+ * Therefore we need to enable master bit
+ * if at least on of the fields is not 0
+ */
+ value = REG_READ(DP_SEC_CNTL);
+ if (value)
+ REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
+}
+
+void enc1_stream_encoder_send_immediate_sdp_message(
+ struct stream_encoder *enc,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size)
+{
+ struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
+ uint32_t value = 0;
+
+ /* TODOFPGA Figure out a proper number for max_retries polling for lock
+ * use 50 for now.
+ */
+ uint32_t max_retries = 50;
+
+ /* check if GSP4 is transmitted */
+ REG_WAIT(DP_SEC_CNTL2, DP_SEC_GSP4_SEND_PENDING,
+ 0, 10, max_retries);
+
+ /* disable GSP4 transmitting */
+ REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP4_SEND, 0);
+
+ /* transmit GSP4 at the earliest time in a frame */
+ REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP4_SEND_ANY_LINE, 1);
+
+ /*we need turn on clock before programming AFMT block*/
+ REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
+
+ /* check if HW reading GSP memory */
+ REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT,
+ 0, 10, max_retries);
+
+ /* HW does is not reading GSP memory not reading too long ->
+ * something wrong. clear GPS memory access and notify?
+ * hw SW is writing to GSP memory
+ */
+ REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT_CLR, 1);
+
+ /* use generic packet 4 for immediate sdp message */
+ REG_UPDATE(AFMT_VBI_PACKET_CONTROL,
+ AFMT_GENERIC_INDEX, 4);
+
+ /* write generic packet header
+ * (4th byte is for GENERIC0 only)
+ */
+ REG_SET_4(AFMT_GENERIC_HDR, 0,
+ AFMT_GENERIC_HB0, custom_sdp_message[0],
+ AFMT_GENERIC_HB1, custom_sdp_message[1],
+ AFMT_GENERIC_HB2, custom_sdp_message[2],
+ AFMT_GENERIC_HB3, custom_sdp_message[3]);
+
+ /* write generic packet contents
+ * (we never use last 4 bytes)
+ * there are 8 (0-7) mmDIG0_AFMT_GENERIC0_x registers
+ */
+ {
+ const uint32_t *content =
+ (const uint32_t *) &custom_sdp_message[4];
+
+ REG_WRITE(AFMT_GENERIC_0, *content++);
+ REG_WRITE(AFMT_GENERIC_1, *content++);
+ REG_WRITE(AFMT_GENERIC_2, *content++);
+ REG_WRITE(AFMT_GENERIC_3, *content++);
+ REG_WRITE(AFMT_GENERIC_4, *content++);
+ REG_WRITE(AFMT_GENERIC_5, *content++);
+ REG_WRITE(AFMT_GENERIC_6, *content++);
+ REG_WRITE(AFMT_GENERIC_7, *content);
+ }
+
+ /* check whether GENERIC4 registers double buffer update in immediate mode
+ * is pending
+ */
+ REG_WAIT(AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_IMMEDIATE_UPDATE_PENDING,
+ 0, 10, max_retries);
+
+ /* atomically update double-buffered GENERIC4 registers in immediate mode
+ * (update immediately)
+ */
+ REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
+ AFMT_GENERIC4_IMMEDIATE_UPDATE, 1);
+
+ /* enable GSP4 transmitting */
+ REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP4_SEND, 1);
/* This bit is the master enable bit.
* When enabling secondary stream engine,
@@ -1463,6 +1555,8 @@ static const struct stream_encoder_funcs dcn10_str_enc_funcs = {
enc1_stream_encoder_stop_hdmi_info_packets,
.update_dp_info_packets =
enc1_stream_encoder_update_dp_info_packets,
+ .send_immediate_sdp_message =
+ enc1_stream_encoder_send_immediate_sdp_message,
.stop_dp_info_packets =
enc1_stream_encoder_stop_dp_info_packets,
.dp_blank =
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h
index e654c2f55971..a292b106a8b1 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h
@@ -81,6 +81,7 @@
SRI(DP_MSE_RATE_UPDATE, DP, id), \
SRI(DP_PIXEL_FORMAT, DP, id), \
SRI(DP_SEC_CNTL, DP, id), \
+ SRI(DP_SEC_CNTL2, DP, id), \
SRI(DP_STEER_FIFO, DP, id), \
SRI(DP_VID_M, DP, id), \
SRI(DP_VID_N, DP, id), \
@@ -118,10 +119,12 @@ struct dcn10_stream_enc_registers {
uint32_t AFMT_60958_1;
uint32_t AFMT_60958_2;
uint32_t DIG_FE_CNTL;
+ uint32_t DIG_FE_CNTL2;
uint32_t DP_MSE_RATE_CNTL;
uint32_t DP_MSE_RATE_UPDATE;
uint32_t DP_PIXEL_FORMAT;
uint32_t DP_SEC_CNTL;
+ uint32_t DP_SEC_CNTL2;
uint32_t DP_STEER_FIFO;
uint32_t DP_VID_M;
uint32_t DP_VID_N;
@@ -191,6 +194,10 @@ struct dcn10_stream_enc_registers {
SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP2_ENABLE, mask_sh),\
SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP3_ENABLE, mask_sh),\
SE_SF(DP0_DP_SEC_CNTL, DP_SEC_MPG_ENABLE, mask_sh),\
+ SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP4_SEND, mask_sh),\
+ SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP4_SEND_PENDING, mask_sh),\
+ SE_SF(DP0_DP_SEC_CNTL4, DP_SEC_GSP4_LINE_NUM, mask_sh),\
+ SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP4_SEND_ANY_LINE, mask_sh),\
SE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_DIS_DEFER, mask_sh),\
SE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, mask_sh),\
SE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS, mask_sh),\
@@ -245,6 +252,7 @@ struct dcn10_stream_enc_registers {
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC2_FRAME_UPDATE_PENDING, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC3_FRAME_UPDATE_PENDING, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_FRAME_UPDATE_PENDING, mask_sh),\
+ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_IMMEDIATE_UPDATE_PENDING, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC5_FRAME_UPDATE_PENDING, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC6_FRAME_UPDATE_PENDING, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC7_FRAME_UPDATE_PENDING, mask_sh),\
@@ -253,6 +261,7 @@ struct dcn10_stream_enc_registers {
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC2_FRAME_UPDATE, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC3_FRAME_UPDATE, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_FRAME_UPDATE, mask_sh),\
+ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_IMMEDIATE_UPDATE, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC5_FRAME_UPDATE, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC6_FRAME_UPDATE, mask_sh),\
SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC7_FRAME_UPDATE, mask_sh),\
@@ -260,6 +269,7 @@ struct dcn10_stream_enc_registers {
SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP5_ENABLE, mask_sh),\
SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP6_ENABLE, mask_sh),\
SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP7_ENABLE, mask_sh),\
+ SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP7_PPS, mask_sh),\
SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP7_SEND, mask_sh),\
SE_SF(DP0_DP_DB_CNTL, DP_DB_DISABLE, mask_sh),\
SE_SF(DP0_DP_MSA_COLORIMETRY, DP_MSA_MISC0, mask_sh),\
@@ -304,6 +314,7 @@ struct dcn10_stream_enc_registers {
type AFMT_GENERIC2_FRAME_UPDATE_PENDING;\
type AFMT_GENERIC3_FRAME_UPDATE_PENDING;\
type AFMT_GENERIC4_FRAME_UPDATE_PENDING;\
+ type AFMT_GENERIC4_IMMEDIATE_UPDATE_PENDING;\
type AFMT_GENERIC5_FRAME_UPDATE_PENDING;\
type AFMT_GENERIC6_FRAME_UPDATE_PENDING;\
type AFMT_GENERIC7_FRAME_UPDATE_PENDING;\
@@ -312,6 +323,7 @@ struct dcn10_stream_enc_registers {
type AFMT_GENERIC2_FRAME_UPDATE;\
type AFMT_GENERIC3_FRAME_UPDATE;\
type AFMT_GENERIC4_FRAME_UPDATE;\
+ type AFMT_GENERIC4_IMMEDIATE_UPDATE;\
type AFMT_GENERIC5_FRAME_UPDATE;\
type AFMT_GENERIC6_FRAME_UPDATE;\
type AFMT_GENERIC7_FRAME_UPDATE;\
@@ -366,7 +378,12 @@ struct dcn10_stream_enc_registers {
type DP_SEC_GSP5_ENABLE;\
type DP_SEC_GSP6_ENABLE;\
type DP_SEC_GSP7_ENABLE;\
+ type DP_SEC_GSP7_PPS;\
type DP_SEC_GSP7_SEND;\
+ type DP_SEC_GSP4_SEND;\
+ type DP_SEC_GSP4_SEND_PENDING;\
+ type DP_SEC_GSP4_LINE_NUM;\
+ type DP_SEC_GSP4_SEND_ANY_LINE;\
type DP_SEC_MPG_ENABLE;\
type DP_VID_STREAM_DIS_DEFER;\
type DP_VID_STREAM_ENABLE;\
@@ -484,6 +501,11 @@ void enc1_stream_encoder_update_dp_info_packets(
struct stream_encoder *enc,
const struct encoder_info_frame *info_frame);
+void enc1_stream_encoder_send_immediate_sdp_message(
+ struct stream_encoder *enc,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size);
+
void enc1_stream_encoder_stop_dp_info_packets(
struct stream_encoder *enc);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
index 49854eb73d1d..537563888f87 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
@@ -63,8 +63,6 @@ struct encoder_info_frame {
struct dc_info_packet vsc;
/* HDR Static MetaData */
struct dc_info_packet hdrsmd;
- /* custom sdp message */
- struct dc_info_packet dpsdp;
};
struct encoder_unblank_param {
@@ -123,6 +121,11 @@ struct stream_encoder_funcs {
struct stream_encoder *enc,
const struct encoder_info_frame *info_frame);
+ void (*send_immediate_sdp_message)(
+ struct stream_encoder *enc,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size);
+
void (*stop_dp_info_packets)(
struct stream_encoder *enc);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index 33905468e2b9..eb1c12ed026a 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -158,6 +158,11 @@ struct hw_sequencer_funcs {
void (*update_info_frame)(struct pipe_ctx *pipe_ctx);
+ void (*send_immediate_sdp_message)(
+ struct pipe_ctx *pipe_ctx,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size);
+
void (*enable_stream)(struct pipe_ctx *pipe_ctx);
void (*disable_stream)(struct pipe_ctx *pipe_ctx,
--
2.17.1
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