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drm/amd/display: revert order change of HUBP and MPC disable

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- root cause was we disable opp clk in MPC disconnect
- hubp_blank is not double buffered, so we can't blank until MPC disconnect or we have risk of underflow

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tony Cheng 2017-07-14 13:42:23 -04:00 committed by Alex Deucher
parent 15e173352e
commit d65359d571
4 changed files with 32 additions and 18 deletions
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2
drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
View File

@ -288,7 +288,6 @@ struct dce_hwseq_registers {
HWS_SF1(OTG0_, PHYPLL_PIXEL_RATE_CNTL, PHYPLL_PIXEL_RATE_SOURCE, mask_sh), \
HWS_SF(OTG0_, OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR, mask_sh), \
HWS_SF(OTG0_, OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_OCCURRED, mask_sh), \
HWS_SF(HUBP0_, DCHUBP_CNTL, HUBP_NO_OUTSTANDING_REQ, mask_sh), \
HWS_SF(HUBP0_, DCHUBP_CNTL, HUBP_VTG_SEL, mask_sh), \
HWS_SF(HUBP0_, HUBP_CLK_CNTL, HUBP_CLOCK_ENABLE, mask_sh), \
HWS_SF(DPP_TOP0_, DPP_CONTROL, DPP_CLOCK_ENABLE, mask_sh), \
@ -351,7 +350,6 @@ struct dce_hwseq_registers {
#define HWSEQ_DCN_REG_FIELD_LIST(type) \
type VUPDATE_NO_LOCK_EVENT_CLEAR; \
type VUPDATE_NO_LOCK_EVENT_OCCURRED; \
type HUBP_NO_OUTSTANDING_REQ; \
type HUBP_VTG_SEL; \
type HUBP_CLOCK_ENABLE; \
type DPP_CLOCK_ENABLE; \

41
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -436,14 +436,33 @@ static void reset_back_end_for_pipe(
pipe_ctx->pipe_idx, pipe_ctx->tg->inst);
}
static void plane_atomic_stop(
struct core_dc *dc,
int fe_idx)
{
struct mpcc_cfg mpcc_cfg;
struct mem_input *mi = dc->res_pool->mis[fe_idx];
struct transform *xfm = dc->res_pool->transforms[fe_idx];
struct mpcc *mpcc = dc->res_pool->mpcc[fe_idx];
struct timing_generator *tg = dc->res_pool->timing_generators[mpcc->opp_id];
mi->funcs->dcc_control(mi, false, false);
mpcc_cfg.opp_id = 0xf;
mpcc_cfg.top_dpp_id = 0xf;
mpcc_cfg.bot_mpcc_id = 0xf;
mpcc_cfg.top_of_tree = tg->inst == mpcc->inst;
mpcc->funcs->set(mpcc, &mpcc_cfg);
xfm->funcs->transform_reset(xfm);
}
static void reset_front_end(
struct core_dc *dc,
int fe_idx)
{
struct dce_hwseq *hws = dc->hwseq;
struct mpcc_cfg mpcc_cfg;
struct mem_input *mi = dc->res_pool->mis[fe_idx];
struct transform *xfm = dc->res_pool->transforms[fe_idx];
struct mpcc *mpcc = dc->res_pool->mpcc[fe_idx];
struct timing_generator *tg = dc->res_pool->timing_generators[mpcc->opp_id];
unsigned int opp_id = mpcc->opp_id;
@ -454,17 +473,7 @@ static void reset_front_end(
tg->funcs->lock(tg);
mi->funcs->dcc_control(mi, false, false);
mi->funcs->set_blank(mi, true);
REG_WAIT(DCHUBP_CNTL[fe_idx],
HUBP_NO_OUTSTANDING_REQ, 1,
1, 200);
mpcc_cfg.opp_id = 0xf;
mpcc_cfg.top_dpp_id = 0xf;
mpcc_cfg.bot_mpcc_id = 0xf;
mpcc_cfg.top_of_tree = tg->inst == mpcc->inst;
mpcc->funcs->set(mpcc, &mpcc_cfg);
plane_atomic_stop(dc, fe_idx);
REG_UPDATE(OTG_GLOBAL_SYNC_STATUS[tg->inst], VUPDATE_NO_LOCK_EVENT_CLEAR, 1);
tg->funcs->unlock(tg);
@ -472,17 +481,17 @@ static void reset_front_end(
mpcc->funcs->wait_for_idle(mpcc);
mi->funcs->set_blank(mi, true);
REG_UPDATE(HUBP_CLK_CNTL[fe_idx],
HUBP_CLOCK_ENABLE, 0);
REG_UPDATE(DPP_CONTROL[fe_idx],
DPP_CLOCK_ENABLE, 0);
if (mpcc_cfg.top_of_tree)
if (tg->inst == mpcc->inst)
REG_UPDATE(OPP_PIPE_CONTROL[opp_id],
OPP_PIPE_CLOCK_EN, 0);
xfm->funcs->transform_reset(xfm);
dm_logger_write(dc->ctx->logger, LOG_DC,
"Reset front end %d\n",
fe_idx);

5
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mem_input.c
View File

@ -46,6 +46,11 @@ static void min10_set_blank(struct mem_input *mem_input, bool blank)
REG_UPDATE_2(DCHUBP_CNTL,
HUBP_BLANK_EN, blank_en,
HUBP_TTU_DISABLE, blank_en);
if (blank)
REG_WAIT(DCHUBP_CNTL,
HUBP_NO_OUTSTANDING_REQ, 1,
1, 200);
}
static void min10_vready_workaround(struct mem_input *mem_input,

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mem_input.h
View File

@ -304,6 +304,7 @@ struct dcn_mi_registers {
#define MI_MASK_SH_LIST_DCN(mask_sh)\
MI_SF(HUBP0_DCHUBP_CNTL, HUBP_BLANK_EN, mask_sh),\
MI_SF(HUBP0_DCHUBP_CNTL, HUBP_TTU_DISABLE, mask_sh),\
MI_SF(HUBP0_DCHUBP_CNTL, HUBP_NO_OUTSTANDING_REQ, mask_sh),\
MI_SF(HUBP0_DCSURF_ADDR_CONFIG, NUM_PIPES, mask_sh),\
MI_SF(HUBP0_DCSURF_ADDR_CONFIG, NUM_BANKS, mask_sh),\
MI_SF(HUBP0_DCSURF_ADDR_CONFIG, PIPE_INTERLEAVE, mask_sh),\
@ -463,6 +464,7 @@ struct dcn_mi_registers {
#define DCN_MI_REG_FIELD_LIST(type) \
type HUBP_BLANK_EN;\
type HUBP_TTU_DISABLE;\
type HUBP_NO_OUTSTANDING_REQ;\
type NUM_PIPES;\
type NUM_BANKS;\
type PIPE_INTERLEAVE;\