From d2b1d6bbc56afab8ebae9d52d7ca0ea3569bd600 Mon Sep 17 00:00:00 2001 From: Lewis Huang Date: Thu, 18 Oct 2018 17:52:19 +0800 Subject: drm/amd/display: Add condition to sync eDP SW status and HW status [Why] Need to disable EDP backlight when enter S4 with EDP only and resume from S4 with secondary only. [How] Align the real hw and sw state via vBios scratch register in function enable_accelerated_mode when resume from S4. Signed-off-by: Lewis Huang Reviewed-by: Charlene Liu Acked-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c') diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index acb917ddaba9..47dbe4bb294a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -438,6 +438,7 @@ static const struct dcn_optc_mask tg_mask = { static const struct bios_registers bios_regs = { + NBIO_SR(BIOS_SCRATCH_0), NBIO_SR(BIOS_SCRATCH_3), NBIO_SR(BIOS_SCRATCH_6) }; -- cgit v1.2.3