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authorKarthi Kandasamy <karthi.kandasamy@amd.com>2025-06-11 15:46:27 +0200
committerAlex Deucher <alexander.deucher@amd.com>2025-07-15 14:07:51 -0400
commita1619668d41f6f3c26b5dc5bff68456eeaa02cbe (patch)
treecaf1c092f3822694f5c3dce064ba5077f36c2942
parentdrm/amd/display: MPC basic allocation logic and TMZ (diff)
downloadwireguard-linux-a1619668d41f6f3c26b5dc5bff68456eeaa02cbe.tar.xz
wireguard-linux-a1619668d41f6f3c26b5dc5bff68456eeaa02cbe.zip
drm/amd/display: Make dcn401_initialize_min_clocks() available to other compilation units
[Why & How] Expose dcn401_initialize_min_clocks() for future use and add additional check for IP register. Reviewed-by: Nevenko Stupar <nevenko.stupar@amd.com> Signed-off-by: Karthi Kandasamy <karthi.kandasamy@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dsc/dsc.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c14
-rw-r--r--drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h1
3 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dsc.h b/drivers/gpu/drm/amd/display/dc/dsc/dsc.h
index 1ebce5426a58..b0bd1f9425b5 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dsc.h
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dsc.h
@@ -108,6 +108,7 @@ struct dsc_funcs {
void (*dsc_disable)(struct display_stream_compressor *dsc);
void (*dsc_disconnect)(struct display_stream_compressor *dsc);
void (*dsc_wait_disconnect_pending_clear)(struct display_stream_compressor *dsc);
+ void (*dsc_get_single_enc_caps)(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz);
};
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index a0d61df07f22..cc9f40d97af2 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -51,7 +51,7 @@
#define FN(reg_name, field_name) \
hws->shifts->field_name, hws->masks->field_name
-static void dcn401_initialize_min_clocks(struct dc *dc)
+void dcn401_initialize_min_clocks(struct dc *dc)
{
struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk;
@@ -2632,10 +2632,12 @@ void dcn401_plane_atomic_power_down(struct dc *dc,
DC_LOGGER_INIT(dc->ctx->logger);
- REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
- if (org_ip_request_cntl == 0)
- REG_SET(DC_IP_REQUEST_CNTL, 0,
- IP_REQUEST_EN, 1);
+ if (REG(DC_IP_REQUEST_CNTL)) {
+ REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+ if (org_ip_request_cntl == 0)
+ REG_SET(DC_IP_REQUEST_CNTL, 0,
+ IP_REQUEST_EN, 1);
+ }
if (hws->funcs.dpp_pg_control)
hws->funcs.dpp_pg_control(hws, dpp->inst, false);
@@ -2646,7 +2648,7 @@ void dcn401_plane_atomic_power_down(struct dc *dc,
hubp->funcs->hubp_reset(hubp);
dpp->funcs->dpp_reset(dpp);
- if (org_ip_request_cntl == 0)
+ if (org_ip_request_cntl == 0 && REG(DC_IP_REQUEST_CNTL))
REG_SET(DC_IP_REQUEST_CNTL, 0,
IP_REQUEST_EN, 0);
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h
index 781cf0efccc6..2621b7725267 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h
@@ -109,4 +109,5 @@ void dcn401_detect_pipe_changes(
void dcn401_plane_atomic_power_down(struct dc *dc,
struct dpp *dpp,
struct hubp *hubp);
+void dcn401_initialize_min_clocks(struct dc *dc);
#endif /* __DC_HWSS_DCN401_H__ */