[PATCH 07/13] drm/amd/display: move trace buffer to uncached memory.

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From: Yongqiang Sun <yongqiang.sun@xxxxxxx>

[Why & How]
Move dmub trace buffer to uncached memory.

Signed-off-by: Yongqiang Sun <yongqiang.sun@xxxxxxx>
Acked-by: Bindu Ramamurthy <bindu.r@xxxxxxx>
---
 drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c | 7 +++++++
 drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h | 7 +++++++
 drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
index 8e8e65fa83c0..ea30da4f794f 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
@@ -248,6 +248,13 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
 		  DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top,
 		  DMCUB_REGION3_CW5_ENABLE, 1);
 
+	REG_WRITE(DMCUB_REGION5_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION5_OFFSET_HIGH, offset.u.high_part);
+	REG_SET_2(DMCUB_REGION5_TOP_ADDRESS, 0,
+		  DMCUB_REGION5_TOP_ADDRESS,
+		  cw5->region.top - cw5->region.base - 1,
+		  DMCUB_REGION5_ENABLE, 1);
+
 	dmub_dcn20_translate_addr(&cw6->offset, fb_base, fb_offset, &offset);
 
 	REG_WRITE(DMCUB_REGION3_CW6_OFFSET, offset.u.low_part);
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
index a62be9c0652e..30c6d631a431 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
@@ -75,6 +75,9 @@ struct dmub_srv;
 	DMUB_SR(DMCUB_REGION4_OFFSET) \
 	DMUB_SR(DMCUB_REGION4_OFFSET_HIGH) \
 	DMUB_SR(DMCUB_REGION4_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION5_OFFSET) \
+	DMUB_SR(DMCUB_REGION5_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION5_TOP_ADDRESS) \
 	DMUB_SR(DMCUB_SCRATCH0) \
 	DMUB_SR(DMCUB_SCRATCH1) \
 	DMUB_SR(DMCUB_SCRATCH2) \
@@ -123,6 +126,8 @@ struct dmub_srv;
 	DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_ENABLE) \
 	DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_TOP_ADDRESS) \
 	DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_ENABLE) \
+	DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_ENABLE) \
 	DMUB_SF(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE) \
 	DMUB_SF(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET) \
 	DMUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE) \
@@ -200,4 +205,6 @@ union dmub_fw_boot_status dmub_dcn20_get_fw_boot_status(struct dmub_srv *dmub);
 
 bool dmub_dcn20_use_cached_inbox(struct dmub_srv *dmub);
 
+bool dmub_dcn20_use_cached_trace_buffer(struct dmub_srv *dmub);
+
 #endif /* _DMUB_DCN20_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c
index b4bc0df2f14a..fb11c8d39208 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c
@@ -180,6 +180,13 @@ void dmub_dcn30_setup_windows(struct dmub_srv *dmub,
 		  DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top,
 		  DMCUB_REGION3_CW5_ENABLE, 1);
 
+	REG_WRITE(DMCUB_REGION5_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION5_OFFSET_HIGH, offset.u.high_part);
+	REG_SET_2(DMCUB_REGION5_TOP_ADDRESS, 0,
+		  DMCUB_REGION5_TOP_ADDRESS,
+		  cw5->region.top - cw5->region.base - 1,
+		  DMCUB_REGION5_ENABLE, 1);
+
 	offset = cw6->offset;
 
 	REG_WRITE(DMCUB_REGION3_CW6_OFFSET, offset.u.low_part);
-- 
2.25.1

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