The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 4e73826089ce899357580bbf6e0afe4e6f9900b7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024022602-handshake-spoiled-e4a5@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: 4e73826089ce ("drm/amd/display: Only allow dig mapping to pwrseq in new asic") b17ef04bf3a4 ("drm/amd/display: Pass pwrseq inst for backlight and ABM") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 4e73826089ce899357580bbf6e0afe4e6f9900b7 Mon Sep 17 00:00:00 2001 From: Lewis Huang <lewis.huang@xxxxxxx> Date: Wed, 31 Jan 2024 17:20:17 +0800 Subject: [PATCH] drm/amd/display: Only allow dig mapping to pwrseq in new asic [Why] The old asic only have 1 pwrseq hw. We don't need to map the diginst to pwrseq inst in old asic. [How] 1. Only mapping dig to pwrseq for new asic. 2. Move mapping function into dcn specific panel control component Cc: Stable <stable@xxxxxxxxxxxxxxx> # v6.6+ Cc: Mario Limonciello <mario.limonciello@xxxxxxx> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3122 Reviewed-by: Anthony Koo <anthony.koo@xxxxxxx> Acked-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Lewis Huang <lewis.huang@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c index e8570060d007..5bca67407c5b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c @@ -290,4 +290,5 @@ void dce_panel_cntl_construct( dce_panel_cntl->base.funcs = &dce_link_panel_cntl_funcs; dce_panel_cntl->base.ctx = init_data->ctx; dce_panel_cntl->base.inst = init_data->inst; + dce_panel_cntl->base.pwrseq_inst = 0; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c index ad0df1a72a90..9e96a3ace207 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c @@ -215,4 +215,5 @@ void dcn301_panel_cntl_construct( dcn301_panel_cntl->base.funcs = &dcn301_link_panel_cntl_funcs; dcn301_panel_cntl->base.ctx = init_data->ctx; dcn301_panel_cntl->base.inst = init_data->inst; + dcn301_panel_cntl->base.pwrseq_inst = 0; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c index 03248422d6ff..281be20b1a10 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c @@ -154,8 +154,24 @@ void dcn31_panel_cntl_construct( struct dcn31_panel_cntl *dcn31_panel_cntl, const struct panel_cntl_init_data *init_data) { + uint8_t pwrseq_inst = 0xF; + dcn31_panel_cntl->base.funcs = &dcn31_link_panel_cntl_funcs; dcn31_panel_cntl->base.ctx = init_data->ctx; dcn31_panel_cntl->base.inst = init_data->inst; - dcn31_panel_cntl->base.pwrseq_inst = init_data->pwrseq_inst; + + switch (init_data->eng_id) { + case ENGINE_ID_DIGA: + pwrseq_inst = 0; + break; + case ENGINE_ID_DIGB: + pwrseq_inst = 1; + break; + default: + DC_LOG_WARNING("Unsupported pwrseq engine id: %d!\n", init_data->eng_id); + ASSERT(false); + break; + } + + dcn31_panel_cntl->base.pwrseq_inst = pwrseq_inst; } diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h index 5dcbaa2db964..e97d964a1791 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h @@ -57,7 +57,7 @@ struct panel_cntl_funcs { struct panel_cntl_init_data { struct dc_context *ctx; uint32_t inst; - uint32_t pwrseq_inst; + uint32_t eng_id; }; struct panel_cntl { diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c index 37d3027c32dc..cf22b8f28ba6 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_factory.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c @@ -370,30 +370,6 @@ static enum transmitter translate_encoder_to_transmitter( } } -static uint8_t translate_dig_inst_to_pwrseq_inst(struct dc_link *link) -{ - uint8_t pwrseq_inst = 0xF; - struct dc_context *dc_ctx = link->dc->ctx; - - DC_LOGGER_INIT(dc_ctx->logger); - - switch (link->eng_id) { - case ENGINE_ID_DIGA: - pwrseq_inst = 0; - break; - case ENGINE_ID_DIGB: - pwrseq_inst = 1; - break; - default: - DC_LOG_WARNING("Unsupported pwrseq engine id: %d!\n", link->eng_id); - ASSERT(false); - break; - } - - return pwrseq_inst; -} - - static void link_destruct(struct dc_link *link) { int i; @@ -657,7 +633,7 @@ static bool construct_phy(struct dc_link *link, link->link_id.id == CONNECTOR_ID_LVDS)) { panel_cntl_init_data.ctx = dc_ctx; panel_cntl_init_data.inst = panel_cntl_init_data.ctx->dc_edp_id_count; - panel_cntl_init_data.pwrseq_inst = translate_dig_inst_to_pwrseq_inst(link); + panel_cntl_init_data.eng_id = link->eng_id; link->panel_cntl = link->dc->res_pool->funcs->panel_cntl_create( &panel_cntl_init_data);
