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drm/amd/display: Get OTG info if OTG master enabled

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Signed-off-by: Logatharshan Thothiralingam <logatharshan.thothiralingam@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Logatharshan Thothiralingam 2017-08-18 19:09:57 -04:00 committed by Alex Deucher
parent b46c085c23
commit 6f54d0b1d8
3 changed files with 9 additions and 1 deletions
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6
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -203,10 +203,14 @@ static void dcn10_log_hw_state(struct dc *dc)
for (i = 0; i < pool->pipe_count; i++) {
struct timing_generator *tg = pool->timing_generators[i];
struct dcn_otg_state s;
struct dcn_otg_state s = {0};
tgn10_read_otg_state(DCN10TG_FROM_TG(tg), &s);
//only print if OTG master is enabled
if ((s.otg_enabled & 1) == 0)
continue;
DTN_INFO("[%d]:\t %d \t %d \t %d \t %d \t "
"%d \t %d \t %d \t %d \t %d \t %d \t "
"%d \t %d \t %d \t %d \t %d \t ",

3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
View File

@ -1100,6 +1100,9 @@ static bool tgn10_is_stereo_left_eye(struct timing_generator *tg)
void tgn10_read_otg_state(struct dcn10_timing_generator *tgn10,
struct dcn_otg_state *s)
{
REG_GET(OTG_CONTROL,
OTG_MASTER_EN, &s->otg_enabled);
REG_GET_2(OTG_V_BLANK_START_END,
OTG_V_BLANK_START, &s->v_blank_start,
OTG_V_BLANK_END, &s->v_blank_end);

1
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.h
View File

@ -370,6 +370,7 @@ struct dcn_otg_state {
uint32_t h_sync_a_pol;
uint32_t h_total;
uint32_t underflow_occurred_status;
uint32_t otg_enabled;
};
void tgn10_read_otg_state(struct dcn10_timing_generator *tgn10,