mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-10 20:38:50 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Add WBSCL ram coefficient for writeback

Browse Source 
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira
2024-03-22 16:49:55 -06:00
committed by Alex Deucher
parent e9a48b6b95
commit 71fb6ed2e7
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c
View File

@@ -299,6 +299,17 @@ void dwb2_set_scaler(struct dwbc *dwbc, struct dc_dwb_params *params)
}
}
if (dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL) {
/* Swap double buffered coefficient set */
uint32_t wbscl_mode = REG_READ(WBSCL_MODE);
bool coef_ram_current = get_reg_field_value_ex(
wbscl_mode, dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL_CURRENT,
dwbc20->dwbc_shift->WBSCL_COEF_RAM_SEL_CURRENT);
REG_UPDATE(WBSCL_MODE, WBSCL_COEF_RAM_SEL, !coef_ram_current);
}
}
static const struct dwbc_funcs dcn20_dwbc_funcs = {