From: Alvin Lee <[email protected]> [Description] Revert commit 8c5660987ee1 ("drm/amd/display: Use channel_width = 2 for vram table 3.0") Because the issue is being fixed from VBIOS side.
Reviewed-by: Samson Tam <[email protected]> Acked-by: Wayne Lin <[email protected]> Signed-off-by: Alvin Lee <[email protected]> --- drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 875a064bb9a5..fcd65a2057ad 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -2386,13 +2386,7 @@ static enum bp_result get_vram_info_v30( return BP_RESULT_BADBIOSTABLE; info->num_chans = info_v30->channel_num; - /* As suggested by VBIOS we should always use - * dram_channel_width_bytes = 2 when using VRAM - * table version 3.0. This is because the channel_width - * param in the VRAM info table is changed in 7000 series and - * no longer represents the memory channel width. - */ - info->dram_channel_width_bytes = 2; + info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8; return result; } -- 2.37.3
