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| author | Sung Joon Kim <sungkim@amd.com> | 2022-02-09 01:13:57 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-23 22:26:36 +0300 |
| commit | 203bcac9bf2c5676bfb0b33c7f2403ea5d6ed332 (patch) | |
| tree | b5bff92bdb25e03d283300b312d65da0acf80cd1 /drivers/gpu/drm/amd/display/dc/dcn315 | |
| parent | b51178d6edddbfc8cb4da5b5e9c924f2d24bbcac (diff) | |
| download | linux-203bcac9bf2c5676bfb0b33c7f2403ea5d6ed332.tar.xz | |
drm/amd/display: increasing DRAM BW percent for DCN315
[why]
DML validation fails when we connect two or
more displays with HDR. Need to increase
DRAM BW to make the validation passing.
Following the value from DCN31.
[how]
Change the max DRAM BW DML field to 60%.
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn315')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c index 46b170e60a54..a71073482881 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c @@ -273,7 +273,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_15_soc = { .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0, .max_avg_sdp_bw_use_normal_percent = 60.0, - .max_avg_dram_bw_use_normal_percent = 30.0, + .max_avg_dram_bw_use_normal_percent = 60.0, .fabric_datapath_to_dcn_data_return_bytes = 32, .return_bus_width_bytes = 64, .downspread_percent = 0.38, |