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path: root/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
index 2137e2be2140..3b613fb93ef8 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
@@ -287,6 +287,10 @@ void optc2_get_optc_source(struct timing_generator *optc,
*num_of_src_opp = 2;
else
*num_of_src_opp = 1;
+
+ /* Work around VBIOS not updating OPTC_NUM_OF_INPUT_SEGMENT */
+ if (*src_opp_id_1 == 0xf)
+ *num_of_src_opp = 1;
}
void optc2_set_dwb_source(struct timing_generator *optc,
@@ -456,7 +460,7 @@ static struct timing_generator_funcs dcn20_tg_funcs = {
.set_vtg_params = optc1_set_vtg_params,
.program_manual_trigger = optc2_program_manual_trigger,
.setup_manual_trigger = optc2_setup_manual_trigger,
- .is_matching_timing = optc1_is_matching_timing
+ .get_hw_timing = optc1_get_hw_timing,
};
void dcn20_timing_generator_init(struct optc *optc1)