diff options
| author | Alvin Lee <alvin.lee2@amd.com> | 2020-06-11 16:37:13 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-01 01:59:21 -0400 |
| commit | d31bdabbf5b6f5a667aefa2c381f7b534cad4f12 (patch) | |
| tree | af182b1a1a6881d841093d90226f8d8c49a03dc7 /drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | |
| parent | 1ed0b2ddf42db301deaf981c1981da65b6a8f327 (diff) | |
drm/amd/display: Get num_chans from VBIOS table
Get the values from VBIOS table
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index 011f1454b8cb..654fdbbff86b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -195,7 +195,6 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_0_soc = { .max_avg_dram_bw_use_normal_percent = 40.0, .writeback_latency_us = 12.0, .max_request_size_bytes = 256, - .dram_channel_width_bytes = 2, .fabric_datapath_to_dcn_data_return_bytes = 64, .dcn_downspread_percent = 0.5, .downspread_percent = 0.38, @@ -2242,6 +2241,12 @@ static void dcn30_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw { unsigned int i; + if (dc->ctx->dc_bios->vram_info.num_chans) + dcn3_0_soc.num_chans = dc->ctx->dc_bios->vram_info.num_chans; + + if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes) + dcn3_0_soc.dram_channel_width_bytes = dc->ctx->dc_bios->vram_info.dram_channel_width_bytes; + dcn3_0_soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0; dc->dml.soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0; |