diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dmc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.c | 684 |
1 files changed, 433 insertions, 251 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 835781624482..b58189d24e7e 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -22,13 +22,17 @@ * */ +#include <linux/debugfs.h> #include <linux/firmware.h> #include "i915_drv.h" #include "i915_reg.h" #include "intel_de.h" +#include "intel_display_rpm.h" +#include "intel_display_power_well.h" #include "intel_dmc.h" #include "intel_dmc_regs.h" +#include "intel_step.h" /** * DOC: DMC Firmware Support @@ -38,6 +42,8 @@ * low-power state and comes back to normal. */ +#define INTEL_DMC_FIRMWARE_URL "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git" + enum intel_dmc_id { DMC_FW_MAIN = 0, DMC_FW_PIPEA, @@ -48,11 +54,15 @@ enum intel_dmc_id { }; struct intel_dmc { - struct drm_i915_private *i915; + struct intel_display *display; struct work_struct work; const char *fw_path; u32 max_fw_size; /* bytes */ u32 version; + struct { + u32 dc5_start; + u32 count; + } dc6_allowed; struct dmc_fw_info { u32 mmio_count; i915_reg_t mmioaddr[20]; @@ -66,9 +76,24 @@ struct intel_dmc { }; /* Note: This may be NULL. */ -static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915) +static struct intel_dmc *display_to_dmc(struct intel_display *display) +{ + return display->dmc.dmc; +} + +static const char *dmc_firmware_param(struct intel_display *display) { - return i915->display.dmc.dmc; + const char *p = display->params.dmc_firmware_path; + + return p && *p ? p : NULL; +} + +static bool dmc_firmware_param_disabled(struct intel_display *display) +{ + const char *p = dmc_firmware_param(display); + + /* Magic path to indicate disabled */ + return p && !strcmp(p, "/dev/null"); } #define DMC_VERSION(major, minor) ((major) << 16 | (minor)) @@ -89,10 +114,20 @@ static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915) __stringify(major) "_" \ __stringify(minor) ".bin" +#define XE2LPD_DMC_MAX_FW_SIZE 0x8000 #define XELPDP_DMC_MAX_FW_SIZE 0x7000 #define DISPLAY_VER13_DMC_MAX_FW_SIZE 0x20000 #define DISPLAY_VER12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE +#define XE3LPD_DMC_PATH DMC_PATH(xe3lpd) +MODULE_FIRMWARE(XE3LPD_DMC_PATH); + +#define XE2LPD_DMC_PATH DMC_PATH(xe2lpd) +MODULE_FIRMWARE(XE2LPD_DMC_PATH); + +#define BMG_DMC_PATH DMC_PATH(bmg) +MODULE_FIRMWARE(BMG_DMC_PATH); + #define MTL_DMC_PATH DMC_PATH(mtl) MODULE_FIRMWARE(MTL_DMC_PATH); @@ -136,6 +171,65 @@ MODULE_FIRMWARE(SKL_DMC_PATH); #define BXT_DMC_MAX_FW_SIZE 0x3000 MODULE_FIRMWARE(BXT_DMC_PATH); +static const char *dmc_firmware_default(struct intel_display *display, u32 *size) +{ + const char *fw_path = NULL; + u32 max_fw_size = 0; + + if (DISPLAY_VERx100(display) == 3000) { + fw_path = XE3LPD_DMC_PATH; + max_fw_size = XE2LPD_DMC_MAX_FW_SIZE; + } else if (DISPLAY_VERx100(display) == 2000) { + fw_path = XE2LPD_DMC_PATH; + max_fw_size = XE2LPD_DMC_MAX_FW_SIZE; + } else if (DISPLAY_VERx100(display) == 1401) { + fw_path = BMG_DMC_PATH; + max_fw_size = XELPDP_DMC_MAX_FW_SIZE; + } else if (DISPLAY_VERx100(display) == 1400) { + fw_path = MTL_DMC_PATH; + max_fw_size = XELPDP_DMC_MAX_FW_SIZE; + } else if (display->platform.dg2) { + fw_path = DG2_DMC_PATH; + max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE; + } else if (display->platform.alderlake_p) { + fw_path = ADLP_DMC_PATH; + max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE; + } else if (display->platform.alderlake_s) { + fw_path = ADLS_DMC_PATH; + max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; + } else if (display->platform.dg1) { + fw_path = DG1_DMC_PATH; + max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; + } else if (display->platform.rocketlake) { + fw_path = RKL_DMC_PATH; + max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; + } else if (display->platform.tigerlake) { + fw_path = TGL_DMC_PATH; + max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; + } else if (DISPLAY_VER(display) == 11) { + fw_path = ICL_DMC_PATH; + max_fw_size = ICL_DMC_MAX_FW_SIZE; + } else if (display->platform.geminilake) { + fw_path = GLK_DMC_PATH; + max_fw_size = GLK_DMC_MAX_FW_SIZE; + } else if (display->platform.kabylake || + display->platform.coffeelake || + display->platform.cometlake) { + fw_path = KBL_DMC_PATH; + max_fw_size = KBL_DMC_MAX_FW_SIZE; + } else if (display->platform.skylake) { + fw_path = SKL_DMC_PATH; + max_fw_size = SKL_DMC_MAX_FW_SIZE; + } else if (display->platform.broxton) { + fw_path = BXT_DMC_PATH; + max_fw_size = BXT_DMC_MAX_FW_SIZE; + } + + *size = max_fw_size; + + return fw_path; +} + #define DMC_DEFAULT_FW_OFFSET 0xFFFFFFFF #define PACKAGE_MAX_FW_INFO_ENTRIES 20 #define PACKAGE_V2_MAX_FW_INFO_ENTRIES 32 @@ -293,70 +387,70 @@ static bool is_valid_dmc_id(enum intel_dmc_id dmc_id) return dmc_id >= DMC_FW_MAIN && dmc_id < DMC_FW_MAX; } -static bool has_dmc_id_fw(struct drm_i915_private *i915, enum intel_dmc_id dmc_id) +static bool has_dmc_id_fw(struct intel_display *display, enum intel_dmc_id dmc_id) { - struct intel_dmc *dmc = i915_to_dmc(i915); + struct intel_dmc *dmc = display_to_dmc(display); return dmc && dmc->dmc_info[dmc_id].payload; } -bool intel_dmc_has_payload(struct drm_i915_private *i915) +bool intel_dmc_has_payload(struct intel_display *display) { - return has_dmc_id_fw(i915, DMC_FW_MAIN); + return has_dmc_id_fw(display, DMC_FW_MAIN); } static const struct stepping_info * -intel_get_stepping_info(struct drm_i915_private *i915, +intel_get_stepping_info(struct intel_display *display, struct stepping_info *si) { - const char *step_name = intel_display_step_name(i915); + const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(display)); si->stepping = step_name[0]; si->substepping = step_name[1]; return si; } -static void gen9_set_dc_state_debugmask(struct drm_i915_private *i915) +static void gen9_set_dc_state_debugmask(struct intel_display *display) { /* The below bit doesn't need to be cleared ever afterwards */ - intel_de_rmw(i915, DC_STATE_DEBUG, 0, + intel_de_rmw(display, DC_STATE_DEBUG, 0, DC_STATE_DEBUG_MASK_CORES | DC_STATE_DEBUG_MASK_MEMORY_UP); - intel_de_posting_read(i915, DC_STATE_DEBUG); + intel_de_posting_read(display, DC_STATE_DEBUG); } -static void disable_event_handler(struct drm_i915_private *i915, +static void disable_event_handler(struct intel_display *display, i915_reg_t ctl_reg, i915_reg_t htp_reg) { - intel_de_write(i915, ctl_reg, + intel_de_write(display, ctl_reg, REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK, DMC_EVT_CTL_TYPE_EDGE_0_1) | REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK, DMC_EVT_CTL_EVENT_ID_FALSE)); - intel_de_write(i915, htp_reg, 0); + intel_de_write(display, htp_reg, 0); } -static void disable_all_event_handlers(struct drm_i915_private *i915) +static void disable_all_event_handlers(struct intel_display *display) { enum intel_dmc_id dmc_id; /* TODO: disable the event handlers on pre-GEN12 platforms as well */ - if (DISPLAY_VER(i915) < 12) + if (DISPLAY_VER(display) < 12) return; for_each_dmc_id(dmc_id) { int handler; - if (!has_dmc_id_fw(i915, dmc_id)) + if (!has_dmc_id_fw(display, dmc_id)) continue; for (handler = 0; handler < DMC_EVENT_HANDLER_COUNT_GEN12; handler++) - disable_event_handler(i915, - DMC_EVT_CTL(i915, dmc_id, handler), - DMC_EVT_HTP(i915, dmc_id, handler)); + disable_event_handler(display, + DMC_EVT_CTL(display, dmc_id, handler), + DMC_EVT_HTP(display, dmc_id, handler)); } } -static void adlp_pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable) +static void adlp_pipedmc_clock_gating_wa(struct intel_display *display, bool enable) { enum pipe pipe; @@ -369,84 +463,132 @@ static void adlp_pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool ena */ if (enable) for (pipe = PIPE_A; pipe <= PIPE_D; pipe++) - intel_de_rmw(i915, CLKGATE_DIS_PSL_EXT(pipe), + intel_de_rmw(display, CLKGATE_DIS_PSL_EXT(pipe), 0, PIPEDMC_GATING_DIS); else for (pipe = PIPE_C; pipe <= PIPE_D; pipe++) - intel_de_rmw(i915, CLKGATE_DIS_PSL_EXT(pipe), + intel_de_rmw(display, CLKGATE_DIS_PSL_EXT(pipe), PIPEDMC_GATING_DIS, 0); } -static void mtl_pipedmc_clock_gating_wa(struct drm_i915_private *i915) +static void mtl_pipedmc_clock_gating_wa(struct intel_display *display) { /* * Wa_16015201720 * The WA requires clock gating to be disabled all the time * for pipe A and B. */ - intel_de_rmw(i915, GEN9_CLKGATE_DIS_0, 0, + intel_de_rmw(display, GEN9_CLKGATE_DIS_0, 0, MTL_PIPEDMC_GATING_DIS_A | MTL_PIPEDMC_GATING_DIS_B); } -static void pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable) +static void pipedmc_clock_gating_wa(struct intel_display *display, bool enable) { - if (DISPLAY_VER(i915) >= 14 && enable) - mtl_pipedmc_clock_gating_wa(i915); - else if (DISPLAY_VER(i915) == 13) - adlp_pipedmc_clock_gating_wa(i915, enable); + if (DISPLAY_VER(display) >= 14 && enable) + mtl_pipedmc_clock_gating_wa(display); + else if (DISPLAY_VER(display) == 13) + adlp_pipedmc_clock_gating_wa(display, enable); } -void intel_dmc_enable_pipe(struct drm_i915_private *i915, enum pipe pipe) +void intel_dmc_enable_pipe(struct intel_display *display, enum pipe pipe) { enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); - if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(i915, dmc_id)) + if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id)) return; - if (DISPLAY_VER(i915) >= 14) - intel_de_rmw(i915, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe)); + if (DISPLAY_VER(display) >= 14) + intel_de_rmw(display, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe)); else - intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE); + intel_de_rmw(display, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE); } -void intel_dmc_disable_pipe(struct drm_i915_private *i915, enum pipe pipe) +void intel_dmc_disable_pipe(struct intel_display *display, enum pipe pipe) { enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); - if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(i915, dmc_id)) + if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id)) return; - if (DISPLAY_VER(i915) >= 14) - intel_de_rmw(i915, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0); + if (DISPLAY_VER(display) >= 14) + intel_de_rmw(display, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0); + else + intel_de_rmw(display, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0); +} + +/** + * intel_dmc_block_pkgc() - block PKG C-state + * @display: display instance + * @pipe: pipe which register use to block + * @block: block/unblock + * + * This interface is target for Wa_16025596647 usage. I.e. to set/clear + * PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_ALWAYS bit in PIPEDMC_BLOCK_PKGC_SW register. + */ +void intel_dmc_block_pkgc(struct intel_display *display, enum pipe pipe, + bool block) +{ + intel_de_rmw(display, PIPEDMC_BLOCK_PKGC_SW(pipe), + PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_ALWAYS, block ? + PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_ALWAYS : 0); +} + +/** + * intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank() - start of PKG + * C-state exit + * @display: display instance + * @pipe: pipe which register use to block + * @enable: enable/disable + * + * This interface is target for Wa_16025596647 usage. I.e. start the package C + * exit at the start of the undelayed vblank + */ +void intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(struct intel_display *display, + enum pipe pipe, bool enable) +{ + u32 val; + + if (enable) + val = DMC_EVT_CTL_ENABLE | DMC_EVT_CTL_RECURRING | + REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK, + DMC_EVT_CTL_TYPE_EDGE_0_1) | + REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK, + DMC_EVT_CTL_EVENT_ID_VBLANK_A); else - intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0); + val = REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK, + DMC_EVT_CTL_EVENT_ID_FALSE) | + REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK, + DMC_EVT_CTL_TYPE_EDGE_0_1); + + intel_de_write(display, MTL_PIPEDMC_EVT_CTL_4(pipe), + val); } -static bool is_dmc_evt_ctl_reg(struct drm_i915_private *i915, +static bool is_dmc_evt_ctl_reg(struct intel_display *display, enum intel_dmc_id dmc_id, i915_reg_t reg) { u32 offset = i915_mmio_reg_offset(reg); - u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, 0)); - u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12)); + u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, 0)); + u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12)); return offset >= start && offset < end; } -static bool is_dmc_evt_htp_reg(struct drm_i915_private *i915, +static bool is_dmc_evt_htp_reg(struct intel_display *display, enum intel_dmc_id dmc_id, i915_reg_t reg) { u32 offset = i915_mmio_reg_offset(reg); - u32 start = i915_mmio_reg_offset(DMC_EVT_HTP(i915, dmc_id, 0)); - u32 end = i915_mmio_reg_offset(DMC_EVT_HTP(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12)); + u32 start = i915_mmio_reg_offset(DMC_EVT_HTP(display, dmc_id, 0)); + u32 end = i915_mmio_reg_offset(DMC_EVT_HTP(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12)); return offset >= start && offset < end; } -static bool disable_dmc_evt(struct drm_i915_private *i915, +static bool disable_dmc_evt(struct intel_display *display, enum intel_dmc_id dmc_id, i915_reg_t reg, u32 data) { - if (!is_dmc_evt_ctl_reg(i915, dmc_id, reg)) + if (!is_dmc_evt_ctl_reg(display, dmc_id, reg)) return false; /* keep all pipe DMC events disabled by default */ @@ -454,23 +596,23 @@ static bool disable_dmc_evt(struct drm_i915_private *i915, return true; /* also disable the flip queue event on the main DMC on TGL */ - if (IS_TIGERLAKE(i915) && + if (display->platform.tigerlake && REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == DMC_EVT_CTL_EVENT_ID_CLK_MSEC) return true; /* also disable the HRR event on the main DMC on TGL/ADLS */ - if ((IS_TIGERLAKE(i915) || IS_ALDERLAKE_S(i915)) && + if ((display->platform.tigerlake || display->platform.alderlake_s) && REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == DMC_EVT_CTL_EVENT_ID_VBLANK_A) return true; return false; } -static u32 dmc_mmiodata(struct drm_i915_private *i915, +static u32 dmc_mmiodata(struct intel_display *display, struct intel_dmc *dmc, enum intel_dmc_id dmc_id, int i) { - if (disable_dmc_evt(i915, dmc_id, + if (disable_dmc_evt(display, dmc_id, dmc->dmc_info[dmc_id].mmioaddr[i], dmc->dmc_info[dmc_id].mmiodata[i])) return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK, @@ -483,33 +625,33 @@ static u32 dmc_mmiodata(struct drm_i915_private *i915, /** * intel_dmc_load_program() - write the firmware from memory to register. - * @i915: i915 drm device. + * @display: display instance * * DMC firmware is read from a .bin file and kept in internal memory one time. * Everytime display comes back from low power state this function is called to * copy the firmware from internal memory to registers. */ -void intel_dmc_load_program(struct drm_i915_private *i915) +void intel_dmc_load_program(struct intel_display *display) { - struct i915_power_domains *power_domains = &i915->display.power.domains; - struct intel_dmc *dmc = i915_to_dmc(i915); + struct i915_power_domains *power_domains = &display->power.domains; + struct intel_dmc *dmc = display_to_dmc(display); enum intel_dmc_id dmc_id; u32 i; - if (!intel_dmc_has_payload(i915)) + if (!intel_dmc_has_payload(display)) return; - pipedmc_clock_gating_wa(i915, true); + pipedmc_clock_gating_wa(display, true); - disable_all_event_handlers(i915); + disable_all_event_handlers(display); - assert_rpm_wakelock_held(&i915->runtime_pm); + assert_display_rpm_held(display); preempt_disable(); for_each_dmc_id(dmc_id) { for (i = 0; i < dmc->dmc_info[dmc_id].dmc_fw_size; i++) { - intel_de_write_fw(i915, + intel_de_write_fw(display, DMC_PROGRAM(dmc->dmc_info[dmc_id].start_mmioaddr, i), dmc->dmc_info[dmc_id].payload[i]); } @@ -519,46 +661,46 @@ void intel_dmc_load_program(struct drm_i915_private *i915) for_each_dmc_id(dmc_id) { for (i = 0; i < dmc->dmc_info[dmc_id].mmio_count; i++) { - intel_de_write(i915, dmc->dmc_info[dmc_id].mmioaddr[i], - dmc_mmiodata(i915, dmc, dmc_id, i)); + intel_de_write(display, dmc->dmc_info[dmc_id].mmioaddr[i], + dmc_mmiodata(display, dmc, dmc_id, i)); } } power_domains->dc_state = 0; - gen9_set_dc_state_debugmask(i915); + gen9_set_dc_state_debugmask(display); - pipedmc_clock_gating_wa(i915, false); + pipedmc_clock_gating_wa(display, false); } /** * intel_dmc_disable_program() - disable the firmware - * @i915: i915 drm device + * @display: display instance * * Disable all event handlers in the firmware, making sure the firmware is * inactive after the display is uninitialized. */ -void intel_dmc_disable_program(struct drm_i915_private *i915) +void intel_dmc_disable_program(struct intel_display *display) { - if (!intel_dmc_has_payload(i915)) + if (!intel_dmc_has_payload(display)) return; - pipedmc_clock_gating_wa(i915, true); - disable_all_event_handlers(i915); - pipedmc_clock_gating_wa(i915, false); + pipedmc_clock_gating_wa(display, true); + disable_all_event_handlers(display); + pipedmc_clock_gating_wa(display, false); } -void assert_dmc_loaded(struct drm_i915_private *i915) +void assert_dmc_loaded(struct intel_display *display) { - struct intel_dmc *dmc = i915_to_dmc(i915); + struct intel_dmc *dmc = display_to_dmc(display); - drm_WARN_ONCE(&i915->drm, !dmc, "DMC not initialized\n"); - drm_WARN_ONCE(&i915->drm, dmc && - !intel_de_read(i915, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)), + drm_WARN_ONCE(display->drm, !dmc, "DMC not initialized\n"); + drm_WARN_ONCE(display->drm, dmc && + !intel_de_read(display, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)), "DMC program storage start is NULL\n"); - drm_WARN_ONCE(&i915->drm, !intel_de_read(i915, DMC_SSP_BASE), + drm_WARN_ONCE(display->drm, !intel_de_read(display, DMC_SSP_BASE), "DMC SSP Base Not fine\n"); - drm_WARN_ONCE(&i915->drm, !intel_de_read(i915, DMC_HTP_SKL), + drm_WARN_ONCE(display->drm, !intel_de_read(display, DMC_HTP_SKL), "DMC HTP Not fine\n"); } @@ -589,7 +731,7 @@ static void dmc_set_fw_offset(struct intel_dmc *dmc, const struct stepping_info *si, u8 package_ver) { - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; enum intel_dmc_id dmc_id; unsigned int i; @@ -597,7 +739,7 @@ static void dmc_set_fw_offset(struct intel_dmc *dmc, dmc_id = package_ver <= 1 ? DMC_FW_MAIN : fw_info[i].dmc_id; if (!is_valid_dmc_id(dmc_id)) { - drm_dbg(&i915->drm, "Unsupported firmware id: %u\n", dmc_id); + drm_dbg(display->drm, "Unsupported firmware id: %u\n", dmc_id); continue; } @@ -619,7 +761,7 @@ static bool dmc_mmio_addr_sanity_check(struct intel_dmc *dmc, const u32 *mmioaddr, u32 mmio_count, int header_ver, enum intel_dmc_id dmc_id) { - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; u32 start_range, end_range; int i; @@ -629,14 +771,14 @@ static bool dmc_mmio_addr_sanity_check(struct intel_dmc *dmc, } else if (dmc_id == DMC_FW_MAIN) { start_range = TGL_MAIN_MMIO_START; end_range = TGL_MAIN_MMIO_END; - } else if (DISPLAY_VER(i915) >= 13) { + } else if (DISPLAY_VER(display) >= 13) { start_range = ADLP_PIPE_MMIO_START; end_range = ADLP_PIPE_MMIO_END; - } else if (DISPLAY_VER(i915) >= 12) { + } else if (DISPLAY_VER(display) >= 12) { start_range = TGL_PIPE_MMIO_START(dmc_id); end_range = TGL_PIPE_MMIO_END(dmc_id); } else { - drm_warn(&i915->drm, "Unknown mmio range for sanity check"); + drm_warn(display->drm, "Unknown mmio range for sanity check"); return false; } @@ -652,7 +794,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, const struct intel_dmc_header_base *dmc_header, size_t rem_size, enum intel_dmc_id dmc_id) { - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; struct dmc_fw_info *dmc_info = &dmc->dmc_info[dmc_id]; unsigned int header_len_bytes, dmc_header_size, payload_size, i; const u32 *mmioaddr, *mmiodata; @@ -700,39 +842,39 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, start_mmioaddr = DMC_V1_MMIO_START_RANGE; dmc_header_size = sizeof(*v1); } else { - drm_err(&i915->drm, "Unknown DMC fw header version: %u\n", + drm_err(display->drm, "Unknown DMC fw header version: %u\n", dmc_header->header_ver); return 0; } if (header_len_bytes != dmc_header_size) { - drm_err(&i915->drm, "DMC firmware has wrong dmc header length " + drm_err(display->drm, "DMC firmware has wrong dmc header length " "(%u bytes)\n", header_len_bytes); return 0; } /* Cache the dmc header info. */ if (mmio_count > mmio_count_max) { - drm_err(&i915->drm, "DMC firmware has wrong mmio count %u\n", mmio_count); + drm_err(display->drm, "DMC firmware has wrong mmio count %u\n", mmio_count); return 0; } if (!dmc_mmio_addr_sanity_check(dmc, mmioaddr, mmio_count, dmc_header->header_ver, dmc_id)) { - drm_err(&i915->drm, "DMC firmware has Wrong MMIO Addresses\n"); + drm_err(display->drm, "DMC firmware has Wrong MMIO Addresses\n"); return 0; } - drm_dbg_kms(&i915->drm, "DMC %d:\n", dmc_id); + drm_dbg_kms(display->drm, "DMC %d:\n", dmc_id); for (i = 0; i < mmio_count; i++) { dmc_info->mmioaddr[i] = _MMIO(mmioaddr[i]); dmc_info->mmiodata[i] = mmiodata[i]; - drm_dbg_kms(&i915->drm, " mmio[%d]: 0x%x = 0x%x%s%s\n", + drm_dbg_kms(display->drm, " mmio[%d]: 0x%x = 0x%x%s%s\n", i, mmioaddr[i], mmiodata[i], - is_dmc_evt_ctl_reg(i915, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_CTL)" : - is_dmc_evt_htp_reg(i915, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_HTP)" : "", - disable_dmc_evt(i915, dmc_id, dmc_info->mmioaddr[i], + is_dmc_evt_ctl_reg(display, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_CTL)" : + is_dmc_evt_htp_reg(display, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_HTP)" : "", + disable_dmc_evt(display, dmc_id, dmc_info->mmioaddr[i], dmc_info->mmiodata[i]) ? " (disabling)" : ""); } dmc_info->mmio_count = mmio_count; @@ -746,7 +888,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, goto error_truncated; if (payload_size > dmc->max_fw_size) { - drm_err(&i915->drm, "DMC FW too big (%u bytes)\n", payload_size); + drm_err(display->drm, "DMC FW too big (%u bytes)\n", payload_size); return 0; } dmc_info->dmc_fw_size = dmc_header->fw_size; @@ -761,7 +903,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc, return header_len_bytes + payload_size; error_truncated: - drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n"); + drm_err(display->drm, "Truncated DMC firmware, refusing.\n"); return 0; } @@ -771,7 +913,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc, const struct stepping_info *si, size_t rem_size) { - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; u32 package_size = sizeof(struct intel_package_header); u32 num_entries, max_entries; const struct intel_fw_info *fw_info; @@ -784,7 +926,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc, } else if (package_header->header_ver == 2) { max_entries = PACKAGE_V2_MAX_FW_INFO_ENTRIES; } else { - drm_err(&i915->drm, "DMC firmware has unknown header version %u\n", + drm_err(display->drm, "DMC firmware has unknown header version %u\n", package_header->header_ver); return 0; } @@ -798,7 +940,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc, goto error_truncated; if (package_header->header_len * 4 != package_size) { - drm_err(&i915->drm, "DMC firmware has wrong package header length " + drm_err(display->drm, "DMC firmware has wrong package header length " "(%u bytes)\n", package_size); return 0; } @@ -816,7 +958,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc, return package_size; error_truncated: - drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n"); + drm_err(display->drm, "Truncated DMC firmware, refusing.\n"); return 0; } @@ -825,16 +967,16 @@ static u32 parse_dmc_fw_css(struct intel_dmc *dmc, struct intel_css_header *css_header, size_t rem_size) { - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; if (rem_size < sizeof(struct intel_css_header)) { - drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n"); + drm_err(display->drm, "Truncated DMC firmware, refusing.\n"); return 0; } if (sizeof(struct intel_css_header) != (css_header->header_len * 4)) { - drm_err(&i915->drm, "DMC firmware has wrong CSS header length " + drm_err(display->drm, "DMC firmware has wrong CSS header length " "(%u bytes)\n", (css_header->header_len * 4)); return 0; @@ -845,26 +987,26 @@ static u32 parse_dmc_fw_css(struct intel_dmc *dmc, return sizeof(struct intel_css_header); } -static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw) +static int parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw) { - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; struct intel_css_header *css_header; struct intel_package_header *package_header; struct intel_dmc_header_base *dmc_header; struct stepping_info display_info = { '*', '*'}; - const struct stepping_info *si = intel_get_stepping_info(i915, &display_info); + const struct stepping_info *si = intel_get_stepping_info(display, &display_info); enum intel_dmc_id dmc_id; u32 readcount = 0; u32 r, offset; if (!fw) - return; + return -EINVAL; /* Extract CSS Header information */ css_header = (struct intel_css_header *)fw->data; r = parse_dmc_fw_css(dmc, css_header, fw->size); if (!r) - return; + return -EINVAL; readcount += r; @@ -872,7 +1014,7 @@ static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw) package_header = (struct intel_package_header *)&fw->data[readcount]; r = parse_dmc_fw_package(dmc, package_header, si, fw->size - readcount); if (!r) - return; + return -EINVAL; readcount += r; @@ -882,32 +1024,39 @@ static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw) offset = readcount + dmc->dmc_info[dmc_id].dmc_offset * 4; if (offset > fw->size) { - drm_err(&i915->drm, "Reading beyond the fw_size\n"); + drm_err(display->drm, "Reading beyond the fw_size\n"); continue; } dmc_header = (struct intel_dmc_header_base *)&fw->data[offset]; parse_dmc_fw_header(dmc, dmc_header, fw->size - offset, dmc_id); } + + if (!intel_dmc_has_payload(display)) { + drm_err(display->drm, "DMC firmware main program not found\n"); + return -ENOENT; + } + + return 0; } -static void intel_dmc_runtime_pm_get(struct drm_i915_private *i915) +static void intel_dmc_runtime_pm_get(struct intel_display *display) { - drm_WARN_ON(&i915->drm, i915->display.dmc.wakeref); - i915->display.dmc.wakeref = intel_display_power_get(i915, POWER_DOMAIN_INIT); + drm_WARN_ON(display->drm, display->dmc.wakeref); + display->dmc.wakeref = intel_display_power_get(display, POWER_DOMAIN_INIT); } -static void intel_dmc_runtime_pm_put(struct drm_i915_private *i915) +static void intel_dmc_runtime_pm_put(struct intel_display *display) { intel_wakeref_t wakeref __maybe_unused = - fetch_and_zero(&i915->display.dmc.wakeref); + fetch_and_zero(&display->dmc.wakeref); - intel_display_power_put(i915, POWER_DOMAIN_INIT, wakeref); + intel_display_power_put(display, POWER_DOMAIN_INIT, wakeref); } -static const char *dmc_fallback_path(struct drm_i915_private *i915) +static const char *dmc_fallback_path(struct intel_display *display) { - if (IS_ALDERLAKE_P(i915)) + if (display->platform.alderlake_p) return ADLP_DMC_FALLBACK_PATH; return NULL; @@ -916,57 +1065,65 @@ static const char *dmc_fallback_path(struct drm_i915_private *i915) static void dmc_load_work_fn(struct work_struct *work) { struct intel_dmc *dmc = container_of(work, typeof(*dmc), work); - struct drm_i915_private *i915 = dmc->i915; + struct intel_display *display = dmc->display; const struct firmware *fw = NULL; const char *fallback_path; int err; - err = request_firmware(&fw, dmc->fw_path, i915->drm.dev); + err = request_firmware(&fw, dmc->fw_path, display->drm->dev); - if (err == -ENOENT && !i915->params.dmc_firmware_path) { - fallback_path = dmc_fallback_path(i915); + if (err == -ENOENT && !dmc_firmware_param(display)) { + fallback_path = dmc_fallback_path(display); if (fallback_path) { - drm_dbg_kms(&i915->drm, "%s not found, falling back to %s\n", + drm_dbg_kms(display->drm, "%s not found, falling back to %s\n", dmc->fw_path, fallback_path); - err = request_firmware(&fw, fallback_path, i915->drm.dev); + err = request_firmware(&fw, fallback_path, display->drm->dev); if (err == 0) dmc->fw_path = fallback_path; } } - parse_dmc_fw(dmc, fw); - - if (intel_dmc_has_payload(i915)) { - intel_dmc_load_program(i915); - intel_dmc_runtime_pm_put(i915); + if (err) { + drm_notice(display->drm, + "Failed to load DMC firmware %s (%pe). Disabling runtime power management.\n", + dmc->fw_path, ERR_PTR(err)); + drm_notice(display->drm, "DMC firmware homepage: %s", + INTEL_DMC_FIRMWARE_URL); + return; + } - drm_info(&i915->drm, "Finished loading DMC firmware %s (v%u.%u)\n", - dmc->fw_path, DMC_VERSION_MAJOR(dmc->version), - DMC_VERSION_MINOR(dmc->version)); - } else { - drm_notice(&i915->drm, - "Failed to load DMC firmware %s." - " Disabling runtime power management.\n", - dmc->fw_path); - drm_notice(&i915->drm, "DMC firmware homepage: %s", - INTEL_UC_FIRMWARE_URL); + err = parse_dmc_fw(dmc, fw); + if (err) { + drm_notice(display->drm, + "Failed to parse DMC firmware %s (%pe). Disabling runtime power management.\n", + dmc->fw_path, ERR_PTR(err)); + goto out; } + intel_dmc_load_program(display); + intel_dmc_runtime_pm_put(display); + + drm_info(display->drm, "Finished loading DMC firmware %s (v%u.%u)\n", + dmc->fw_path, DMC_VERSION_MAJOR(dmc->version), + DMC_VERSION_MINOR(dmc->version)); + +out: release_firmware(fw); } /** * intel_dmc_init() - initialize the firmware loading. - * @i915: i915 drm device. + * @display: display instance * * This function is called at the time of loading the display driver to read * firmware from a .bin file and copied into a internal memory. */ -void intel_dmc_init(struct drm_i915_private *i915) +void intel_dmc_init(struct intel_display *display) { + struct drm_i915_private *i915 = to_i915(display->drm); struct intel_dmc *dmc; - if (!HAS_DMC(i915)) + if (!HAS_DMC(display)) return; /* @@ -977,75 +1134,35 @@ void intel_dmc_init(struct drm_i915_private *i915) * suspend as runtime suspend *requires* a working DMC for whatever * reason. */ - intel_dmc_runtime_pm_get(i915); + intel_dmc_runtime_pm_get(display); dmc = kzalloc(sizeof(*dmc), GFP_KERNEL); if (!dmc) return; - dmc->i915 = i915; + dmc->display = display; INIT_WORK(&dmc->work, dmc_load_work_fn); - if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) { - dmc->fw_path = MTL_DMC_PATH; - dmc->max_fw_size = XELPDP_DMC_MAX_FW_SIZE; - } else if (IS_DG2(i915)) { - dmc->fw_path = DG2_DMC_PATH; - dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE; - } else if (IS_ALDERLAKE_P(i915)) { - dmc->fw_path = ADLP_DMC_PATH; - dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE; - } else if (IS_ALDERLAKE_S(i915)) { - dmc->fw_path = ADLS_DMC_PATH; - dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; - } else if (IS_DG1(i915)) { - dmc->fw_path = DG1_DMC_PATH; - dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; - } else if (IS_ROCKETLAKE(i915)) { - dmc->fw_path = RKL_DMC_PATH; - dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; - } else if (IS_TIGERLAKE(i915)) { - dmc->fw_path = TGL_DMC_PATH; - dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE; - } else if (DISPLAY_VER(i915) == 11) { - dmc->fw_path = ICL_DMC_PATH; - dmc->max_fw_size = ICL_DMC_MAX_FW_SIZE; - } else if (IS_GEMINILAKE(i915)) { - dmc->fw_path = GLK_DMC_PATH; - dmc->max_fw_size = GLK_DMC_MAX_FW_SIZE; - } else if (IS_KABYLAKE(i915) || - IS_COFFEELAKE(i915) || - IS_COMETLAKE(i915)) { - dmc->fw_path = KBL_DMC_PATH; - dmc->max_fw_size = KBL_DMC_MAX_FW_SIZE; - } else if (IS_SKYLAKE(i915)) { - dmc->fw_path = SKL_DMC_PATH; - dmc->max_fw_size = SKL_DMC_MAX_FW_SIZE; - } else if (IS_BROXTON(i915)) { - dmc->fw_path = BXT_DMC_PATH; - dmc->max_fw_size = BXT_DMC_MAX_FW_SIZE; - } - - if (i915->params.dmc_firmware_path) { - if (strlen(i915->params.dmc_firmware_path) == 0) { - drm_info(&i915->drm, - "Disabling DMC firmware and runtime PM\n"); - goto out; - } + dmc->fw_path = dmc_firmware_default(display, &dmc->max_fw_size); - dmc->fw_path = i915->params.dmc_firmware_path; + if (dmc_firmware_param_disabled(display)) { + drm_info(display->drm, "Disabling DMC firmware and runtime PM\n"); + goto out; } + if (dmc_firmware_param(display)) + dmc->fw_path = dmc_firmware_param(display); + if (!dmc->fw_path) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "No known DMC firmware for platform, disabling runtime PM\n"); goto out; } - i915->display.dmc.dmc = dmc; + display->dmc.dmc = dmc; - drm_dbg_kms(&i915->drm, "Loading %s\n", dmc->fw_path); + drm_dbg_kms(display->drm, "Loading %s\n", dmc->fw_path); queue_work(i915->unordered_wq, &dmc->work); return; @@ -1056,127 +1173,188 @@ out: /** * intel_dmc_suspend() - prepare DMC firmware before system suspend - * @i915: i915 drm device + * @display: display instance * * Prepare the DMC firmware before entering system suspend. This includes * flushing pending work items and releasing any resources acquired during * init. */ -void intel_dmc_suspend(struct drm_i915_private *i915) +void intel_dmc_suspend(struct intel_display *display) { - struct intel_dmc *dmc = i915_to_dmc(i915); + struct intel_dmc *dmc = display_to_dmc(display); - if (!HAS_DMC(i915)) + if (!HAS_DMC(display)) return; if (dmc) flush_work(&dmc->work); /* Drop the reference held in case DMC isn't loaded. */ - if (!intel_dmc_has_payload(i915)) - intel_dmc_runtime_pm_put(i915); + if (!intel_dmc_has_payload(display)) + intel_dmc_runtime_pm_put(display); } /** * intel_dmc_resume() - init DMC firmware during system resume - * @i915: i915 drm device + * @display: display instance * * Reinitialize the DMC firmware during system resume, reacquiring any * resources released in intel_dmc_suspend(). */ -void intel_dmc_resume(struct drm_i915_private *i915) +void intel_dmc_resume(struct intel_display *display) { - if (!HAS_DMC(i915)) + if (!HAS_DMC(display)) return; /* * Reacquire the reference to keep RPM disabled in case DMC isn't * loaded. */ - if (!intel_dmc_has_payload(i915)) - intel_dmc_runtime_pm_get(i915); + if (!intel_dmc_has_payload(display)) + intel_dmc_runtime_pm_get(display); } /** * intel_dmc_fini() - unload the DMC firmware. - * @i915: i915 drm device. + * @display: display instance * * Firmmware unloading includes freeing the internal memory and reset the * firmware loading status. */ -void intel_dmc_fini(struct drm_i915_private *i915) +void intel_dmc_fini(struct intel_display *display) { - struct intel_dmc *dmc = i915_to_dmc(i915); + struct intel_dmc *dmc = display_to_dmc(display); enum intel_dmc_id dmc_id; - if (!HAS_DMC(i915)) + if (!HAS_DMC(display)) return; - intel_dmc_suspend(i915); - drm_WARN_ON(&i915->drm, i915->display.dmc.wakeref); + intel_dmc_suspend(display); + drm_WARN_ON(display->drm, display->dmc.wakeref); if (dmc) { for_each_dmc_id(dmc_id) kfree(dmc->dmc_info[dmc_id].payload); kfree(dmc); - i915->display.dmc.dmc = NULL; + display->dmc.dmc = NULL; } } -void intel_dmc_print_error_state(struct drm_i915_error_state_buf *m, - struct drm_i915_private *i915) +struct intel_dmc_snapshot { + bool initialized; + bool loaded; + u32 version; +}; + +struct intel_dmc_snapshot *intel_dmc_snapshot_capture(struct intel_display *display) { - struct intel_dmc *dmc = i915_to_dmc(i915); + struct intel_dmc *dmc = display_to_dmc(display); + struct intel_dmc_snapshot *snapshot; - if (!HAS_DMC(i915)) - return; + if (!HAS_DMC(display)) + return NULL; + + snapshot = kzalloc(sizeof(*snapshot), GFP_ATOMIC); + if (!snapshot) + return NULL; - i915_error_printf(m, "DMC initialized: %s\n", str_yes_no(dmc)); - i915_error_printf(m, "DMC loaded: %s\n", - str_yes_no(intel_dmc_has_payload(i915))); + snapshot->initialized = dmc; + snapshot->loaded = intel_dmc_has_payload(display); if (dmc) - i915_error_printf(m, "DMC fw version: %d.%d\n", - DMC_VERSION_MAJOR(dmc->version), - DMC_VERSION_MINOR(dmc->version)); + snapshot->version = dmc->version; + + return snapshot; +} + +void intel_dmc_snapshot_print(const struct intel_dmc_snapshot *snapshot, struct drm_printer *p) +{ + if (!snapshot) + return; + + drm_printf(p, "DMC initialized: %s\n", str_yes_no(snapshot->initialized)); + drm_printf(p, "DMC loaded: %s\n", str_yes_no(snapshot->loaded)); + if (snapshot->initialized) + drm_printf(p, "DMC fw version: %d.%d\n", + DMC_VERSION_MAJOR(snapshot->version), + DMC_VERSION_MINOR(snapshot->version)); +} + +void intel_dmc_update_dc6_allowed_count(struct intel_display *display, + bool start_tracking) +{ + struct intel_dmc *dmc = display_to_dmc(display); + u32 dc5_cur_count; + + if (DISPLAY_VER(dmc->display) < 14) + return; + + dc5_cur_count = intel_de_read(dmc->display, DG1_DMC_DEBUG_DC5_COUNT); + + if (!start_tracking) + dmc->dc6_allowed.count += dc5_cur_count - dmc->dc6_allowed.dc5_start; + + dmc->dc6_allowed.dc5_start = dc5_cur_count; +} + +static bool intel_dmc_get_dc6_allowed_count(struct intel_display *display, u32 *count) +{ + struct i915_power_domains *power_domains = &display->power.domains; + struct intel_dmc *dmc = display_to_dmc(display); + bool dc6_enabled; + + if (DISPLAY_VER(display) < 14) + return false; + + mutex_lock(&power_domains->lock); + dc6_enabled = intel_de_read(display, DC_STATE_EN) & + DC_STATE_EN_UPTO_DC6; + if (dc6_enabled) + intel_dmc_update_dc6_allowed_count(display, false); + + *count = dmc->dc6_allowed.count; + mutex_unlock(&power_domains->lock); + + return true; } static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused) { - struct drm_i915_private *i915 = m->private; - struct intel_dmc *dmc = i915_to_dmc(i915); - intel_wakeref_t wakeref; + struct intel_display *display = m->private; + struct intel_dmc *dmc = display_to_dmc(display); + struct ref_tracker *wakeref; i915_reg_t dc5_reg, dc6_reg = INVALID_MMIO_REG; + u32 dc6_allowed_count; - if (!HAS_DMC(i915)) + if (!HAS_DMC(display)) return -ENODEV; - wakeref = intel_runtime_pm_get(&i915->runtime_pm); + wakeref = intel_display_rpm_get(display); seq_printf(m, "DMC initialized: %s\n", str_yes_no(dmc)); seq_printf(m, "fw loaded: %s\n", - str_yes_no(intel_dmc_has_payload(i915))); + str_yes_no(intel_dmc_has_payload(display))); seq_printf(m, "path: %s\n", dmc ? dmc->fw_path : "N/A"); seq_printf(m, "Pipe A fw needed: %s\n", - str_yes_no(DISPLAY_VER(i915) >= 12)); + str_yes_no(DISPLAY_VER(display) >= 12)); seq_printf(m, "Pipe A fw loaded: %s\n", - str_yes_no(has_dmc_id_fw(i915, DMC_FW_PIPEA))); + str_yes_no(has_dmc_id_fw(display, DMC_FW_PIPEA))); seq_printf(m, "Pipe B fw needed: %s\n", - str_yes_no(IS_ALDERLAKE_P(i915) || - DISPLAY_VER(i915) >= 14)); + str_yes_no(display->platform.alderlake_p || + DISPLAY_VER(display) >= 14)); seq_printf(m, "Pipe B fw loaded: %s\n", - str_yes_no(has_dmc_id_fw(i915, DMC_FW_PIPEB))); + str_yes_no(has_dmc_id_fw(display, DMC_FW_PIPEB))); - if (!intel_dmc_has_payload(i915)) + if (!intel_dmc_has_payload(display)) goto out; seq_printf(m, "version: %d.%d\n", DMC_VERSION_MAJOR(dmc->version), DMC_VERSION_MINOR(dmc->version)); - if (DISPLAY_VER(i915) >= 12) { + if (DISPLAY_VER(display) >= 12) { i915_reg_t dc3co_reg; - if (IS_DGFX(i915) || DISPLAY_VER(i915) >= 14) { + if (display->platform.dgfx || DISPLAY_VER(display) >= 14) { dc3co_reg = DG1_DMC_DEBUG3; dc5_reg = DG1_DMC_DEBUG_DC5_COUNT; } else { @@ -1186,38 +1364,42 @@ static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused) } seq_printf(m, "DC3CO count: %d\n", - intel_de_read(i915, dc3co_reg)); + intel_de_read(display, dc3co_reg)); } else { - dc5_reg = IS_BROXTON(i915) ? BXT_DMC_DC3_DC5_COUNT : + dc5_reg = display->platform.broxton ? BXT_DMC_DC3_DC5_COUNT : SKL_DMC_DC3_DC5_COUNT; - if (!IS_GEMINILAKE(i915) && !IS_BROXTON(i915)) + if (!display->platform.geminilake && !display->platform.broxton) dc6_reg = SKL_DMC_DC5_DC6_COUNT; } - seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(i915, dc5_reg)); - if (i915_mmio_reg_valid(dc6_reg)) + seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(display, dc5_reg)); + + if (intel_dmc_get_dc6_allowed_count(display, &dc6_allowed_count)) + seq_printf(m, "DC5 -> DC6 allowed count: %d\n", + dc6_allowed_count); + else if (i915_mmio_reg_valid(dc6_reg)) seq_printf(m, "DC5 -> DC6 count: %d\n", - intel_de_read(i915, dc6_reg)); + intel_de_read(display, dc6_reg)); seq_printf(m, "program base: 0x%08x\n", - intel_de_read(i915, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0))); + intel_de_read(display, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0))); out: seq_printf(m, "ssp base: 0x%08x\n", - intel_de_read(i915, DMC_SSP_BASE)); - seq_printf(m, "htp: 0x%08x\n", intel_de_read(i915, DMC_HTP_SKL)); + intel_de_read(display, DMC_SSP_BASE)); + seq_printf(m, "htp: 0x%08x\n", intel_de_read(display, DMC_HTP_SKL)); - intel_runtime_pm_put(&i915->runtime_pm, wakeref); + intel_display_rpm_put(display, wakeref); return 0; } DEFINE_SHOW_ATTRIBUTE(intel_dmc_debugfs_status); -void intel_dmc_debugfs_register(struct drm_i915_private *i915) +void intel_dmc_debugfs_register(struct intel_display *display) { - struct drm_minor *minor = i915->drm.primary; + struct drm_minor *minor = display->drm->primary; debugfs_create_file("i915_dmc_info", 0444, minor->debugfs_root, - i915, &intel_dmc_debugfs_status_fops); + display, &intel_dmc_debugfs_status_fops); } |