From: Bhawanpreet Lakha Date: Fri, 13 Nov 2020 20:04:54 +0000 (-0500) Subject: drm/amd/display: Update dmub code X-Git-Tag: v5.15~2259^2^2~317 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5fe6b98ae00dc2e0ac24ef8a45d828b82a4aae90;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: Update dmub code There is a delta in the dmub code - add boot options - add boot status - remove unused auto_load_is_done func pointer Signed-off-by: Bhawanpreet Lakha Reviewed-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index ac41ae2..b82a4689 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -265,8 +265,12 @@ struct dmub_srv_hw_funcs { bool (*is_hw_init)(struct dmub_srv *dmub); bool (*is_phy_init)(struct dmub_srv *dmub); + void (*enable_dmub_boot_options)(struct dmub_srv *dmub); + + void (*skip_dmub_panel_power_sequence)(struct dmub_srv *dmub, bool skip); + + union dmub_fw_boot_status (*get_fw_status)(struct dmub_srv *dmub); - bool (*is_auto_load_done)(struct dmub_srv *dmub); void (*set_gpint)(struct dmub_srv *dmub, union dmub_gpint_data_register reg); @@ -309,6 +313,7 @@ struct dmub_srv_hw_params { uint64_t fb_offset; uint32_t psp_version; bool load_inst_const; + bool skip_panel_power_sequence; }; /** @@ -590,6 +595,19 @@ enum dmub_status dmub_srv_get_gpint_response(struct dmub_srv *dmub, */ void dmub_flush_buffer_mem(const struct dmub_fb *fb); +/** + * dmub_srv_get_fw_boot_status() - Returns the DMUB boot status bits. + * + * @dmub: the dmub service + * @status: out pointer for firmware status + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error, unsupported + */ +enum dmub_status dmub_srv_get_fw_boot_status(struct dmub_srv *dmub, + union dmub_fw_boot_status *status); + #if defined(__cplusplus) } #endif diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index b0d1347..9fd24f9 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -191,7 +191,8 @@ union dmub_fw_boot_options { uint32_t optimized_init : 1; uint32_t skip_phy_access : 1; uint32_t disable_clk_gate: 1; - uint32_t reserved : 27; + uint32_t skip_phy_init_panel_sequence: 1; + uint32_t reserved : 26; } bits; uint32_t all; }; diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c index 2c4a2fe..cafba1d 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c @@ -312,3 +312,26 @@ uint32_t dmub_dcn20_get_gpint_response(struct dmub_srv *dmub) { return REG_READ(DMCUB_SCRATCH7); } + +union dmub_fw_boot_status dmub_dcn20_get_fw_boot_status(struct dmub_srv *dmub) +{ + union dmub_fw_boot_status status; + + status.all = REG_READ(DMCUB_SCRATCH0); + return status; +} + +void dmub_dcn20_enable_dmub_boot_options(struct dmub_srv *dmub) +{ + union dmub_fw_boot_options boot_options = {0}; + + REG_WRITE(DMCUB_SCRATCH14, boot_options.all); +} + +void dmub_dcn20_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip) +{ + union dmub_fw_boot_options boot_options; + boot_options.all = REG_READ(DMCUB_SCRATCH14); + boot_options.bits.skip_phy_init_panel_sequence = skip; + REG_WRITE(DMCUB_SCRATCH14, boot_options.all); +} diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h index a316f26..d438f36 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h @@ -192,4 +192,10 @@ bool dmub_dcn20_is_gpint_acked(struct dmub_srv *dmub, uint32_t dmub_dcn20_get_gpint_response(struct dmub_srv *dmub); +void dmub_dcn20_enable_dmub_boot_options(struct dmub_srv *dmub); + +void dmub_dcn20_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip); + +union dmub_fw_boot_status dmub_dcn20_get_fw_boot_status(struct dmub_srv *dmub); + #endif /* _DMUB_DCN20_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c index e8f4882..1cf67b3 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c @@ -53,11 +53,6 @@ const struct dmub_srv_common_regs dmub_srv_dcn21_regs = { /* Shared functions. */ -bool dmub_dcn21_is_auto_load_done(struct dmub_srv *dmub) -{ - return (REG_READ(DMCUB_SCRATCH0) == 3); -} - bool dmub_dcn21_is_phy_init(struct dmub_srv *dmub) { return REG_READ(DMCUB_SCRATCH10) == 0; diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h index 2bbea23..6fd5b0c 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.h @@ -34,8 +34,6 @@ extern const struct dmub_srv_common_regs dmub_srv_dcn21_regs; /* Hardware functions. */ -bool dmub_dcn21_is_auto_load_done(struct dmub_srv *dmub); - bool dmub_dcn21_is_phy_init(struct dmub_srv *dmub); #endif /* _DMUB_DCN21_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c index 215178b..f00df02 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c @@ -188,8 +188,3 @@ void dmub_dcn30_setup_windows(struct dmub_srv *dmub, DMCUB_REGION3_CW6_TOP_ADDRESS, cw6->region.top, DMCUB_REGION3_CW6_ENABLE, 1); } - -bool dmub_dcn30_is_auto_load_done(struct dmub_srv *dmub) -{ - return (REG_READ(DMCUB_SCRATCH0) > 0); -} diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.h index 4d8f52b..9a3afff 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.h @@ -45,6 +45,5 @@ void dmub_dcn30_setup_windows(struct dmub_srv *dmub, const struct dmub_window *cw5, const struct dmub_window *cw6); -bool dmub_dcn30_is_auto_load_done(struct dmub_srv *dmub); #endif /* _DMUB_DCN30_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index d11b96d..ba8494c 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -153,17 +153,18 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) funcs->set_gpint = dmub_dcn20_set_gpint; funcs->is_gpint_acked = dmub_dcn20_is_gpint_acked; funcs->get_gpint_response = dmub_dcn20_get_gpint_response; + funcs->get_fw_status = dmub_dcn20_get_fw_boot_status; + funcs->enable_dmub_boot_options = dmub_dcn20_enable_dmub_boot_options; + funcs->skip_dmub_panel_power_sequence = dmub_dcn20_skip_dmub_panel_power_sequence; if (asic == DMUB_ASIC_DCN21) { dmub->regs = &dmub_srv_dcn21_regs; - funcs->is_auto_load_done = dmub_dcn21_is_auto_load_done; funcs->is_phy_init = dmub_dcn21_is_phy_init; } if (asic == DMUB_ASIC_DCN30) { dmub->regs = &dmub_srv_dcn30_regs; - funcs->is_auto_load_done = dmub_dcn30_is_auto_load_done; funcs->backdoor_load = dmub_dcn30_backdoor_load; funcs->setup_windows = dmub_dcn30_setup_windows; } @@ -535,11 +536,10 @@ enum dmub_status dmub_srv_wait_for_auto_load(struct dmub_srv *dmub, if (!dmub->hw_init) return DMUB_STATUS_INVALID; - if (!dmub->hw_funcs.is_auto_load_done) - return DMUB_STATUS_OK; - for (i = 0; i <= timeout_us; i += 100) { - if (dmub->hw_funcs.is_auto_load_done(dmub)) + union dmub_fw_boot_status status = dmub->hw_funcs.get_fw_status(dmub); + + if (status.bits.dal_fw && status.bits.mailbox_rdy) return DMUB_STATUS_OK; udelay(100); @@ -634,3 +634,17 @@ enum dmub_status dmub_srv_get_gpint_response(struct dmub_srv *dmub, return DMUB_STATUS_OK; } + +enum dmub_status dmub_srv_get_fw_boot_status(struct dmub_srv *dmub, + union dmub_fw_boot_status *status) +{ + status->all = 0; + + if (!dmub->sw_init) + return DMUB_STATUS_INVALID; + + if (dmub->hw_funcs.get_fw_status) + *status = dmub->hw_funcs.get_fw_status(dmub); + + return DMUB_STATUS_OK; +}