From: Michael Strauss Date: Fri, 10 Jun 2022 20:28:03 +0000 (-0400) Subject: drm/amd/display: Fix dpstreamclk programming X-Git-Tag: v6.6.17~6802^2~3^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1f5dcb7365e4e0a8a6fca44352218ccc6f41a8b9;p=platform%2Fkernel%2Flinux-rpi.git drm/amd/display: Fix dpstreamclk programming [WHY] Currently programming incorrect hpo inst as well as selecting incorrect source [HOW] Use hpo inst instead of otg inst to select dpstreamclk inst Reviewed-by: Nicholas Kazlauskas Acked-by: Alex Hung Signed-off-by: Michael Strauss Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c index 799a383..7f34418 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c @@ -158,9 +158,11 @@ static void dccg31_disable_dpstreamclk(struct dccg *dccg, int otg_inst) } } -void dccg31_set_dpstreamclk(struct dccg *dccg, - enum streamclk_source src, - int otg_inst) +void dccg31_set_dpstreamclk( + struct dccg *dccg, + enum streamclk_source src, + int otg_inst, + int dp_hpo_inst) { if (src == REFCLK) dccg31_disable_dpstreamclk(dccg, otg_inst); diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.h index 32b5593..0902ce5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.h @@ -161,11 +161,6 @@ struct dccg *dccg31_create( void dccg31_init(struct dccg *dccg); -void dccg31_set_dpstreamclk( - struct dccg *dccg, - enum streamclk_source src, - int otg_inst); - void dccg31_enable_symclk32_se( struct dccg *dccg, int hpo_se_inst, @@ -207,7 +202,8 @@ void dccg31_get_dccg_ref_freq( void dccg31_set_dpstreamclk( struct dccg *dccg, enum streamclk_source src, - int otg_inst); + int otg_inst, + int dp_hpo_inst); void dccg31_set_dtbclk_dto( struct dccg *dccg, diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c index 3852a6d..232cc15 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c @@ -184,7 +184,8 @@ void dccg314_set_dtbclk_dto( void dccg314_set_dpstreamclk( struct dccg *dccg, enum streamclk_source src, - int otg_inst) + int otg_inst, + int dp_hpo_inst) { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); @@ -192,26 +193,26 @@ void dccg314_set_dpstreamclk( dccg314_set_dtbclk_p_src(dccg, src, otg_inst); /* enabled to select one of the DTBCLKs for pipe */ - switch (otg_inst) { + switch (dp_hpo_inst) { case 0: REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK0_EN, (src == REFCLK) ? 0 : 1, - DPSTREAMCLK0_SRC_SEL, 0); + DPSTREAMCLK0_SRC_SEL, otg_inst); break; case 1: REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK1_EN, (src == REFCLK) ? 0 : 1, - DPSTREAMCLK1_SRC_SEL, 1); + DPSTREAMCLK1_SRC_SEL, otg_inst); break; case 2: REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK2_EN, (src == REFCLK) ? 0 : 1, - DPSTREAMCLK2_SRC_SEL, 2); + DPSTREAMCLK2_SRC_SEL, otg_inst); break; case 3: REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK3_EN, (src == REFCLK) ? 0 : 1, - DPSTREAMCLK3_SRC_SEL, 3); + DPSTREAMCLK3_SRC_SEL, otg_inst); break; default: BREAK_TO_DEBUGGER(); 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 12fc3af..a31c64b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c @@ -211,7 +211,8 @@ static void dccg32_get_dccg_ref_freq(struct dccg *dccg, void dccg32_set_dpstreamclk( struct dccg *dccg, enum streamclk_source src, - int otg_inst) + int otg_inst, + int dp_hpo_inst) { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h index c2d116c..ce00676 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h @@ -101,7 +101,8 @@ struct dccg_funcs { void (*set_dpstreamclk)( struct dccg *dccg, enum streamclk_source src, - int otg_inst); + int otg_inst, + int dp_hpo_inst); void (*enable_symclk32_se)( struct dccg *dccg, diff --git a/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c b/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c index ea6cf8b..db7b0b1 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c @@ -116,7 +116,7 @@ static void setup_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx) dto_params.timing = &pipe_ctx->stream->timing; dto_params.ref_dtbclk_khz = dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(dc->clk_mgr); - dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst); + dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst, link_enc->inst); dccg->funcs->enable_symclk32_se(dccg, stream_enc->inst, phyd32clk); dccg->funcs->set_dtbclk_dto(dccg, &dto_params); stream_enc->funcs->enable_stream(stream_enc); @@ -137,7 +137,7 @@ static void reset_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx) stream_enc->funcs->disable(stream_enc); dccg->funcs->set_dtbclk_dto(dccg, &dto_params); dccg->funcs->disable_symclk32_se(dccg, stream_enc->inst); - dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst); + dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, pipe_ctx->link_res.hpo_dp_link_enc->inst); } static void setup_hpo_dp_stream_attribute(struct pipe_ctx *pipe_ctx)