From 61bf32937bdd05fdf74292460d56936d63beaba5 Mon Sep 17 00:00:00 2001 From: Mauro Rossi Date: Sat, 8 Feb 2020 10:41:01 +0100 Subject: [PATCH] drm/amd/display: dc/irq: add support for DCE6 (v4) [Why] irq service requires changes for DCE6 support [How] (v1) DCE6 targets are added replicating existing DCE8 implementation. due to missing CRTC_VERTICAL_INTERRUPT0_CONTROL registers/masks, dce/dce_8_0_{d,sh_mask}.h used instead of dce/dce_6_0_{d,sh_mask}.h (v2) DCE6 headers used adding the necessary vblank irq registers (INT_MASK and VBLANK_STATUS) and vblank irq masks as implemented in amdgpu driver. Add vblank_irq_info_funcs_dce60 with .set and .ack as per commit b10d51f ("drm/amd/display: Add interrupt entries for VBLANK isr.") and use it in vblank_int_entry(reg_num) macro definition (v3) updated due to following kernel 5.3 commit: 4fc4dca ("drm/amd: drop use of drmp.h in os_types.h") (v4) updated due to following kernel 5.6 commit: d9e3267 ("drm/amd/display: cleanup of construct and destruct funcs") Reviewed-by: Alex Deucher Signed-off-by: Mauro Rossi Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/irq/Makefile | 11 + .../amd/display/dc/irq/dce60/irq_service_dce60.c | 395 +++++++++++++++++++++ .../amd/display/dc/irq/dce60/irq_service_dce60.h | 40 +++ drivers/gpu/drm/amd/display/dc/irq/irq_service.c | 3 + 4 files changed, 449 insertions(+) create mode 100644 drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.c create mode 100644 drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.h diff --git a/drivers/gpu/drm/amd/display/dc/irq/Makefile b/drivers/gpu/drm/amd/display/dc/irq/Makefile index 3352b79..405c253 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/Makefile +++ b/drivers/gpu/drm/amd/display/dc/irq/Makefile @@ -31,6 +31,17 @@ AMD_DAL_IRQ = $(addprefix $(AMDDALPATH)/dc/irq/,$(IRQ)) AMD_DISPLAY_FILES += $(AMD_DAL_IRQ) ############################################################################### +# DCE 6x +############################################################################### +ifdef CONFIG_DRM_AMD_DC_SI +IRQ_DCE60 = irq_service_dce60.o + +AMD_DAL_IRQ_DCE60 = $(addprefix $(AMDDALPATH)/dc/irq/dce60/,$(IRQ_DCE60)) + +AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCE60) +endif + +############################################################################### # DCE 8x ############################################################################### IRQ_DCE80 = irq_service_dce80.o diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.c b/drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.c new file mode 100644 index 0000000..5244818 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.c @@ -0,0 +1,395 @@ +/* + * Copyright 2020 Mauro Rossi + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include + +#include "dm_services.h" + +#include "include/logger_interface.h" + +#include "irq_service_dce60.h" +#include "../dce110/irq_service_dce110.h" + +#include "dce/dce_6_0_d.h" +#include "dce/dce_6_0_sh_mask.h" + +#include "ivsrcid/ivsrcid_vislands30.h" + +#define VISLANDS30_IV_SRCID_D1_VBLANK 1 +#define VISLANDS30_IV_SRCID_D2_VBLANK 2 +#define VISLANDS30_IV_SRCID_D3_VBLANK 3 +#define VISLANDS30_IV_SRCID_D4_VBLANK 4 +#define VISLANDS30_IV_SRCID_D5_VBLANK 5 +#define VISLANDS30_IV_SRCID_D6_VBLANK 6 + +#include "dc_types.h" + +static bool hpd_ack( + struct irq_service *irq_service, + const struct irq_source_info *info) +{ + uint32_t addr = info->status_reg; + uint32_t value = dm_read_reg(irq_service->ctx, addr); + uint32_t current_status = + get_reg_field_value( + value, + DC_HPD1_INT_STATUS, + DC_HPD1_SENSE_DELAYED); + + dal_irq_service_ack_generic(irq_service, info); + + value = dm_read_reg(irq_service->ctx, info->enable_reg); + + set_reg_field_value( + value, + current_status ? 0 : 1, + DC_HPD1_INT_CONTROL, + DC_HPD1_INT_POLARITY); + + dm_write_reg(irq_service->ctx, info->enable_reg, value); + + return true; +} + +static const struct irq_source_info_funcs hpd_irq_info_funcs = { + .set = NULL, + .ack = hpd_ack +}; + +static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +static const struct irq_source_info_funcs pflip_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + +static const struct irq_source_info_funcs vblank_irq_info_funcs = { + .set = dce110_vblank_set, + .ack = NULL +}; + +static const struct irq_source_info_funcs vblank_irq_info_funcs_dce60 = { + .set = NULL, + .ack = NULL +}; + +#define hpd_int_entry(reg_num)\ + [DC_IRQ_SOURCE_INVALID + reg_num] = {\ + .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ + .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ + .enable_value = {\ + DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ + ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK\ + },\ + .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ + .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ + .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ + .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ + .funcs = &hpd_irq_info_funcs\ + } + +#define hpd_rx_int_entry(reg_num)\ + [DC_IRQ_SOURCE_HPD6 + reg_num] = {\ + .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ + .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ + .enable_value = {\ + DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ + ~DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK },\ + .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ + .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ + .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ + .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ + .funcs = &hpd_rx_irq_info_funcs\ + } + +#define pflip_int_entry(reg_num)\ + [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ + .enable_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_CONTROL,\ + .enable_mask =\ + GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ + .enable_value = {\ + GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ + ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK},\ + .ack_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_STATUS,\ + .ack_mask = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ + .ack_value = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ + .status_reg = mmDCP ## reg_num ##_GRPH_INTERRUPT_STATUS,\ + .funcs = &pflip_irq_info_funcs\ + } + +#define vupdate_int_entry(reg_num)\ + [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ + .enable_reg = mmCRTC ## reg_num ## _CRTC_INTERRUPT_CONTROL,\ + .enable_mask =\ + CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ + .enable_value = {\ + CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ + ~CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK},\ + .ack_reg = mmCRTC ## reg_num ## _CRTC_V_UPDATE_INT_STATUS,\ + .ack_mask =\ + CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ + .ack_value =\ + CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ + .funcs = &vblank_irq_info_funcs\ + } + +#define vblank_int_entry(reg_num)\ + [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ + .enable_reg = mmLB ## reg_num ## _INT_MASK,\ + .enable_mask =\ + INT_MASK__VBLANK_INT_MASK,\ + .enable_value = {\ + INT_MASK__VBLANK_INT_MASK,\ + ~INT_MASK__VBLANK_INT_MASK},\ + .ack_reg = mmLB ## reg_num ## _VBLANK_STATUS,\ + .ack_mask =\ + VBLANK_STATUS__VBLANK_ACK_MASK,\ + .ack_value =\ + VBLANK_STATUS__VBLANK_ACK_MASK,\ + .funcs = &vblank_irq_info_funcs_dce60\ + } + +#define dummy_irq_entry() \ + {\ + .funcs = &dummy_irq_info_funcs\ + } + +#define i2c_int_entry(reg_num) \ + [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() + +#define dp_sink_int_entry(reg_num) \ + [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() + +#define gpio_pad_int_entry(reg_num) \ + [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() + +#define dc_underflow_int_entry(reg_num) \ + [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() + + +static const struct irq_source_info_funcs dummy_irq_info_funcs = { + .set = dal_irq_service_dummy_set, + .ack = dal_irq_service_dummy_ack +}; + +static const struct irq_source_info +irq_source_info_dce60[DAL_IRQ_SOURCES_NUMBER] = { + [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), + hpd_int_entry(1), + hpd_int_entry(2), + hpd_int_entry(3), + hpd_int_entry(4), + hpd_int_entry(5), + hpd_int_entry(6), + hpd_rx_int_entry(1), + hpd_rx_int_entry(2), + hpd_rx_int_entry(3), + hpd_rx_int_entry(4), + hpd_rx_int_entry(5), + hpd_rx_int_entry(6), + i2c_int_entry(1), + i2c_int_entry(2), + i2c_int_entry(3), + i2c_int_entry(4), + i2c_int_entry(5), + i2c_int_entry(6), + dp_sink_int_entry(1), + dp_sink_int_entry(2), + dp_sink_int_entry(3), + dp_sink_int_entry(4), + dp_sink_int_entry(5), + dp_sink_int_entry(6), + [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), + pflip_int_entry(0), + pflip_int_entry(1), + pflip_int_entry(2), + pflip_int_entry(3), + pflip_int_entry(4), + pflip_int_entry(5), + [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), + gpio_pad_int_entry(0), + gpio_pad_int_entry(1), + gpio_pad_int_entry(2), + gpio_pad_int_entry(3), + gpio_pad_int_entry(4), + gpio_pad_int_entry(5), + gpio_pad_int_entry(6), + gpio_pad_int_entry(7), + gpio_pad_int_entry(8), + gpio_pad_int_entry(9), + gpio_pad_int_entry(10), + gpio_pad_int_entry(11), + gpio_pad_int_entry(12), + gpio_pad_int_entry(13), + gpio_pad_int_entry(14), + gpio_pad_int_entry(15), + gpio_pad_int_entry(16), + gpio_pad_int_entry(17), + gpio_pad_int_entry(18), + gpio_pad_int_entry(19), + gpio_pad_int_entry(20), + gpio_pad_int_entry(21), + gpio_pad_int_entry(22), + gpio_pad_int_entry(23), + gpio_pad_int_entry(24), + gpio_pad_int_entry(25), + gpio_pad_int_entry(26), + gpio_pad_int_entry(27), + gpio_pad_int_entry(28), + gpio_pad_int_entry(29), + gpio_pad_int_entry(30), + dc_underflow_int_entry(1), + dc_underflow_int_entry(2), + dc_underflow_int_entry(3), + dc_underflow_int_entry(4), + dc_underflow_int_entry(5), + dc_underflow_int_entry(6), + [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), + [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), + vupdate_int_entry(0), + vupdate_int_entry(1), + vupdate_int_entry(2), + vupdate_int_entry(3), + vupdate_int_entry(4), + vupdate_int_entry(5), + vblank_int_entry(0), + vblank_int_entry(1), + vblank_int_entry(2), + vblank_int_entry(3), + vblank_int_entry(4), + vblank_int_entry(5), +}; + +enum dc_irq_source to_dal_irq_source_dce60( + struct irq_service *irq_service, + uint32_t src_id, + uint32_t ext_id) +{ + switch (src_id) { + case VISLANDS30_IV_SRCID_D1_VBLANK: + return DC_IRQ_SOURCE_VBLANK1; + case VISLANDS30_IV_SRCID_D2_VBLANK: + return DC_IRQ_SOURCE_VBLANK2; + case VISLANDS30_IV_SRCID_D3_VBLANK: + return DC_IRQ_SOURCE_VBLANK3; + case VISLANDS30_IV_SRCID_D4_VBLANK: + return DC_IRQ_SOURCE_VBLANK4; + case VISLANDS30_IV_SRCID_D5_VBLANK: + return DC_IRQ_SOURCE_VBLANK5; + case VISLANDS30_IV_SRCID_D6_VBLANK: + return DC_IRQ_SOURCE_VBLANK6; + case VISLANDS30_IV_SRCID_D1_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE1; + case VISLANDS30_IV_SRCID_D2_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE2; + case VISLANDS30_IV_SRCID_D3_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE3; + case VISLANDS30_IV_SRCID_D4_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE4; + case VISLANDS30_IV_SRCID_D5_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE5; + case VISLANDS30_IV_SRCID_D6_V_UPDATE_INT: + return DC_IRQ_SOURCE_VUPDATE6; + case VISLANDS30_IV_SRCID_D1_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP1; + case VISLANDS30_IV_SRCID_D2_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP2; + case VISLANDS30_IV_SRCID_D3_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP3; + case VISLANDS30_IV_SRCID_D4_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP4; + case VISLANDS30_IV_SRCID_D5_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP5; + case VISLANDS30_IV_SRCID_D6_GRPH_PFLIP: + return DC_IRQ_SOURCE_PFLIP6; + + case VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A: + /* generic src_id for all HPD and HPDRX interrupts */ + switch (ext_id) { + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_A: + return DC_IRQ_SOURCE_HPD1; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_B: + return DC_IRQ_SOURCE_HPD2; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_C: + return DC_IRQ_SOURCE_HPD3; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_D: + return DC_IRQ_SOURCE_HPD4; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_E: + return DC_IRQ_SOURCE_HPD5; + case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_F: + return DC_IRQ_SOURCE_HPD6; + case VISLANDS30_IV_EXTID_HPD_RX_A: + return DC_IRQ_SOURCE_HPD1RX; + case VISLANDS30_IV_EXTID_HPD_RX_B: + return DC_IRQ_SOURCE_HPD2RX; + case VISLANDS30_IV_EXTID_HPD_RX_C: + return DC_IRQ_SOURCE_HPD3RX; + case VISLANDS30_IV_EXTID_HPD_RX_D: + return DC_IRQ_SOURCE_HPD4RX; + case VISLANDS30_IV_EXTID_HPD_RX_E: + return DC_IRQ_SOURCE_HPD5RX; + case VISLANDS30_IV_EXTID_HPD_RX_F: + return DC_IRQ_SOURCE_HPD6RX; + default: + return DC_IRQ_SOURCE_INVALID; + } + break; + + default: + return DC_IRQ_SOURCE_INVALID; + } +} + +static const struct irq_service_funcs irq_service_funcs_dce60 = { + .to_dal_irq_source = to_dal_irq_source_dce60 +}; + +static void dce60_irq_construct( + struct irq_service *irq_service, + struct irq_service_init_data *init_data) +{ + dal_irq_service_construct(irq_service, init_data); + + irq_service->info = irq_source_info_dce60; + irq_service->funcs = &irq_service_funcs_dce60; +} + +struct irq_service *dal_irq_service_dce60_create( + struct irq_service_init_data *init_data) +{ + struct irq_service *irq_service = kzalloc(sizeof(*irq_service), + GFP_KERNEL); + + if (!irq_service) + return NULL; + + dce60_irq_construct(irq_service, init_data); + return irq_service; +} + + diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.h b/drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.h new file mode 100644 index 0000000..294db29 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/irq/dce60/irq_service_dce60.h @@ -0,0 +1,40 @@ +/* + * Copyright 2020 Mauro Rossi + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __DAL_IRQ_SERVICE_DCE60_H__ +#define __DAL_IRQ_SERVICE_DCE60_H__ + +#include "../irq_service.h" + +enum dc_irq_source to_dal_irq_source_dce60( + struct irq_service *irq_service, + uint32_t src_id, + uint32_t ext_id); + +struct irq_service *dal_irq_service_dce60_create( + struct irq_service_init_data *init_data); + +#endif + diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c index 33053b9..6bf27bd 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c +++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c @@ -32,6 +32,9 @@ #include "dce110/irq_service_dce110.h" +#if defined(CONFIG_DRM_AMD_DC_SI) +#include "dce60/irq_service_dce60.h" +#endif #include "dce80/irq_service_dce80.h" -- 2.7.4