diff options
6 files changed, 42 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c index 70fac2ebb757..46b6f4f9e1fd 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c @@ -412,6 +412,8 @@ void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg); for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (otg_disabled[i]) pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c index ffbb739d85b6..11e28e056cf7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c @@ -42,18 +42,14 @@ #define DC_LOGGER \ dccg->ctx->logger -/* This function is a workaround for writing to OTG_PIXEL_RATE_DIV - * without the probability of causing a DIG FIFO error. - */ -static void dccg32_wait_for_dentist_change_done( +static void dccg32_trigger_dio_fifo_resync( struct dccg *dccg) { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + uint32_t dispclk_rdivider_value = 0; - uint32_t dentist_dispclk_value = REG_READ(DENTIST_DISPCLK_CNTL); - - REG_WRITE(DENTIST_DISPCLK_CNTL, dentist_dispclk_value); - REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 50, 2000); + REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_RDIVIDER, &dispclk_rdivider_value); + REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, dispclk_rdivider_value); } static void dccg32_get_pixel_rate_div( @@ -124,29 +120,21 @@ static void dccg32_set_pixel_rate_div( REG_UPDATE_2(OTG_PIXEL_RATE_DIV, OTG0_PIXEL_RATE_DIVK1, k1, OTG0_PIXEL_RATE_DIVK2, k2); - - dccg32_wait_for_dentist_change_done(dccg); break; case 1: REG_UPDATE_2(OTG_PIXEL_RATE_DIV, OTG1_PIXEL_RATE_DIVK1, k1, OTG1_PIXEL_RATE_DIVK2, k2); - - dccg32_wait_for_dentist_change_done(dccg); break; case 2: REG_UPDATE_2(OTG_PIXEL_RATE_DIV, OTG2_PIXEL_RATE_DIVK1, k1, OTG2_PIXEL_RATE_DIVK2, k2); - - dccg32_wait_for_dentist_change_done(dccg); break; case 3: REG_UPDATE_2(OTG_PIXEL_RATE_DIV, OTG3_PIXEL_RATE_DIVK1, k1, OTG3_PIXEL_RATE_DIVK2, k2); - - dccg32_wait_for_dentist_change_done(dccg); break; default: BREAK_TO_DEBUGGER(); @@ -352,6 +340,7 @@ static const struct dccg_funcs dccg32_funcs = { .otg_add_pixel = dccg32_otg_add_pixel, .otg_drop_pixel = dccg32_otg_drop_pixel, .set_pixel_rate_div = dccg32_set_pixel_rate_div, + .trigger_dio_fifo_resync = dccg32_trigger_dio_fifo_resync, }; struct dccg *dccg32_create( diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.h index 8071ab98d708..cf5508718122 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.h @@ -112,8 +112,9 @@ DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P3_EN, mask_sh),\ DCCG_SF(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO_SEL, mask_sh),\ DCCG_SF(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, mask_sh),\ - DCCG_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh) - + DCCG_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, mask_sh),\ + DCCG_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_RDIVIDER, mask_sh),\ + DCCG_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh) struct dccg *dccg32_create( struct dc_context *ctx, diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c index 2de910e0ce75..7f5cd8c8d49b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1175,6 +1175,35 @@ void dcn32_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx) pix_per_cycle); } +void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context) +{ + uint8_t i; + struct pipe_ctx *pipe = NULL; + bool otg_disabled[MAX_PIPES] = {false}; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->top_pipe || pipe->prev_odm_pipe) + continue; + + if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))) { + pipe->stream_res.tg->funcs->disable_crtc(pipe->stream_res.tg); + reset_sync_context_for_pipe(dc, context, i); + otg_disabled[i] = true; + } + } + + hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (otg_disabled[i]) + pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); + } +} + void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx, struct dc_link_settings *link_settings) { diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.h index 6694c1d14aa3..6dbe929cf599 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.h @@ -75,6 +75,8 @@ unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsign void dcn32_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx); +void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context); + void dcn32_subvp_pipe_control_lock(struct dc *dc, struct dc_state *context, bool lock, diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c index 6f9a165c1eab..8356b31e1d9a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c @@ -153,6 +153,7 @@ static const struct hwseq_private_funcs dcn32_private_funcs = { .update_mall_sel = dcn32_update_mall_sel, .calculate_dccg_k1_k2_values = dcn32_calculate_dccg_k1_k2_values, .set_pixels_per_cycle = dcn32_set_pixels_per_cycle, + .resync_fifo_dccg_dio = dcn32_resync_fifo_dccg_dio, .is_dp_dig_pixel_rate_div_policy = dcn32_is_dp_dig_pixel_rate_div_policy, }; |