drm/amd/display: move trace buffer to uncached memory.

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

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 8e8e65f..ea30da4 100644 (file)
--- 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 a62be9c..30c6d63 100644 (file)
--- 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 b4bc0df..fb11c8d 100644 (file)
--- 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);