drm/amd/display: Populate dtbclk entries for dcn3.02/3.03

[Why]
Populate dtbclk values from bwparams for dcn302, dcn303.

[How]
dtbclk values are fetched from bandwidthparams for all DPM levels and
for DPM levels where smu returns 0, previous level values are reported.

Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
index d65c097..7d3ff5d 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -1398,7 +1398,11 @@ void dcn302_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
                        dcn3_02_soc.clock_limits[i].dispclk_mhz = max_dispclk_mhz;
                        dcn3_02_soc.clock_limits[i].dppclk_mhz  = max_dppclk_mhz;
                        dcn3_02_soc.clock_limits[i].phyclk_mhz  = max_phyclk_mhz;
-                       dcn3_02_soc.clock_limits[i].dtbclk_mhz = dcn3_02_soc.clock_limits[0].dtbclk_mhz;
+                       /* Populate from bw_params for DTBCLK, SOCCLK */
+                       if (!bw_params->clk_table.entries[i].dtbclk_mhz && i > 0)
+                               dcn3_02_soc.clock_limits[i].dtbclk_mhz  = dcn3_02_soc.clock_limits[i-1].dtbclk_mhz;
+                       else
+                               dcn3_02_soc.clock_limits[i].dtbclk_mhz  = bw_params->clk_table.entries[i].dtbclk_mhz;
                        if (!bw_params->clk_table.entries[i].socclk_mhz && i > 0)
                                dcn3_02_soc.clock_limits[i].socclk_mhz = dcn3_02_soc.clock_limits[i-1].socclk_mhz;
                        else

diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
index f8b8472..833ab13 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
@@ -1326,7 +1326,11 @@ void dcn303_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
                        dcn3_03_soc.clock_limits[i].dispclk_mhz = max_dispclk_mhz;
                        dcn3_03_soc.clock_limits[i].dppclk_mhz  = max_dppclk_mhz;
                        dcn3_03_soc.clock_limits[i].phyclk_mhz  = max_phyclk_mhz;
-                       dcn3_03_soc.clock_limits[i].dtbclk_mhz = dcn3_03_soc.clock_limits[0].dtbclk_mhz;
+                       /* Populate from bw_params for DTBCLK, SOCCLK */
+                       if (!bw_params->clk_table.entries[i].dtbclk_mhz && i > 0)
+                               dcn3_03_soc.clock_limits[i].dtbclk_mhz = dcn3_03_soc.clock_limits[i-1].dtbclk_mhz;
+                       else
+                               dcn3_03_soc.clock_limits[i].dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz;
                        if (!bw_params->clk_table.entries[i].socclk_mhz && i > 0)
                                dcn3_03_soc.clock_limits[i].socclk_mhz = dcn3_03_soc.clock_limits[i-1].socclk_mhz;
                        else