From: Tom St Denis Date: Tue, 9 Aug 2016 14:13:21 +0000 (-0400) Subject: drm/amd/amdgpu: Simplify bitfield operations in gfx v8 X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=61cb8cef526d238de2ff278d9e562a6239d8f98a;p=deliverable%2Flinux.git drm/amd/amdgpu: Simplify bitfield operations in gfx v8 This patch introduces a new macro WREG32_FIELD which is used to write to a register with a new value in a field. It's designed to replace the pattern: tmp = RREG32(mmFoo); tmp &= ~REG__FIELD_MASK; tmp |= new_value << REG__FIELD__SHIFT; WREG32(mmFoo, tmp) with: WREG32_FIELD(Foo, FIELD, new_value); Unlike WREG32_P() it understands offsets/masks and doesn't require the caller to shift the value (or mask properly). It's applied where suitable in the gfx_v8_0.c driver to start with. Signed-off-by: Tom St Denis Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 46f250c80a31..5a4af87bb209 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -2210,6 +2210,9 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v); #define REG_GET_FIELD(value, reg, field) \ (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field)) +#define WREG32_FIELD(reg, field, val) \ + WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) + /* * BIOS helpers. */ diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index f0a813c57164..6022208ead31 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3562,10 +3562,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) u32 tmp; int i; - tmp = RREG32(mmGRBM_CNTL); - tmp = REG_SET_FIELD(tmp, GRBM_CNTL, READ_TIMEOUT, 0xff); - WREG32(mmGRBM_CNTL, tmp); - + WREG32_FIELD(GRBM_CNTL, READ_TIMEOUT, 0xFF); WREG32(mmGB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); WREG32(mmHDP_ADDR_CONFIG, adev->gfx.config.gb_addr_config); WREG32(mmDMIF_ADDR_CALC, adev->gfx.config.gb_addr_config); @@ -3754,9 +3751,7 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev) sizeof(indirect_start_offsets)/sizeof(int)); /* save and restore list */ - temp = RREG32(mmRLC_SRM_CNTL); - temp |= RLC_SRM_CNTL__AUTO_INCR_ADDR_MASK; - WREG32(mmRLC_SRM_CNTL, temp); + WREG32_FIELD(RLC_SRM_CNTL, AUTO_INCR_ADDR, 1); WREG32(mmRLC_SRM_ARAM_ADDR, 0); for (i = 0; i < adev->gfx.rlc.reg_list_size_bytes >> 2; i++) @@ -3793,11 +3788,7 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev) static void gfx_v8_0_enable_save_restore_machine(struct amdgpu_device *adev) { - uint32_t data; - - data = RREG32(mmRLC_SRM_CNTL); - data |= RLC_SRM_CNTL__SRM_ENABLE_MASK; - WREG32(mmRLC_SRM_CNTL, data); + WREG32_FIELD(RLC_SRM_CNTL, SRM_ENABLE, 1); } static void gfx_v8_0_init_power_gating(struct amdgpu_device *adev) @@ -3807,75 +3798,34 @@ static void gfx_v8_0_init_power_gating(struct amdgpu_device *adev) if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG | AMD_PG_SUPPORT_GFX_SMG | AMD_PG_SUPPORT_GFX_DMG)) { - data = RREG32(mmCP_RB_WPTR_POLL_CNTL); - data &= ~CP_RB_WPTR_POLL_CNTL__IDLE_POLL_COUNT_MASK; - data |= (0x60 << CP_RB_WPTR_POLL_CNTL__IDLE_POLL_COUNT__SHIFT); - WREG32(mmCP_RB_WPTR_POLL_CNTL, data); - - data = 0; - data |= (0x10 << RLC_PG_DELAY__POWER_UP_DELAY__SHIFT); - data |= (0x10 << RLC_PG_DELAY__POWER_DOWN_DELAY__SHIFT); - data |= (0x10 << RLC_PG_DELAY__CMD_PROPAGATE_DELAY__SHIFT); - data |= (0x10 << RLC_PG_DELAY__MEM_SLEEP_DELAY__SHIFT); - WREG32(mmRLC_PG_DELAY, data); + WREG32_FIELD(CP_RB_WPTR_POLL_CNTL, IDLE_POLL_COUNT, 0x60); - data = RREG32(mmRLC_PG_DELAY_2); - data &= ~RLC_PG_DELAY_2__SERDES_CMD_DELAY_MASK; - data |= (0x3 << RLC_PG_DELAY_2__SERDES_CMD_DELAY__SHIFT); - WREG32(mmRLC_PG_DELAY_2, data); + data = REG_SET_FIELD(0, RLC_PG_DELAY, POWER_UP_DELAY, 0x10); + data = REG_SET_FIELD(data, RLC_PG_DELAY, POWER_DOWN_DELAY, 0x10); + data = REG_SET_FIELD(data, RLC_PG_DELAY, CMD_PROPAGATE_DELAY, 0x10); + data = REG_SET_FIELD(data, RLC_PG_DELAY, MEM_SLEEP_DELAY, 0x10); + WREG32(mmRLC_PG_DELAY, data); - data = RREG32(mmRLC_AUTO_PG_CTRL); - data &= ~RLC_AUTO_PG_CTRL__GRBM_REG_SAVE_GFX_IDLE_THRESHOLD_MASK; - data |= (0x55f0 << RLC_AUTO_PG_CTRL__GRBM_REG_SAVE_GFX_IDLE_THRESHOLD__SHIFT); - WREG32(mmRLC_AUTO_PG_CTRL, data); + WREG32_FIELD(RLC_PG_DELAY_2, SERDES_CMD_DELAY, 0x3); + WREG32_FIELD(RLC_AUTO_PG_CTRL, GRBM_REG_SAVE_GFX_IDLE_THRESHOLD, 0x55f0); } } static void cz_enable_sck_slow_down_on_power_up(struct amdgpu_device *adev, bool enable) { - u32 data, orig; - - orig = data = RREG32(mmRLC_PG_CNTL); - - if (enable) - data |= RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PU_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PU_ENABLE_MASK; - - if (orig != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, SMU_CLK_SLOWDOWN_ON_PU_ENABLE, enable ? 1 : 0); } static void cz_enable_sck_slow_down_on_power_down(struct amdgpu_device *adev, bool enable) { - u32 data, orig; - - orig = data = RREG32(mmRLC_PG_CNTL); - - if (enable) - data |= RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PD_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PD_ENABLE_MASK; - - if (orig != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, SMU_CLK_SLOWDOWN_ON_PD_ENABLE, enable ? 1 : 0); } static void cz_enable_cp_power_gating(struct amdgpu_device *adev, bool enable) { - u32 data, orig; - - orig = data = RREG32(mmRLC_PG_CNTL); - - if (enable) - data &= ~RLC_PG_CNTL__CP_PG_DISABLE_MASK; - else - data |= RLC_PG_CNTL__CP_PG_DISABLE_MASK; - - if (orig != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 1 : 0); } static void gfx_v8_0_init_pg(struct amdgpu_device *adev) @@ -3914,34 +3864,24 @@ static void gfx_v8_0_init_pg(struct amdgpu_device *adev) void gfx_v8_0_rlc_stop(struct amdgpu_device *adev) { - u32 tmp = RREG32(mmRLC_CNTL); - - tmp = REG_SET_FIELD(tmp, RLC_CNTL, RLC_ENABLE_F32, 0); - WREG32(mmRLC_CNTL, tmp); + WREG32_FIELD(RLC_CNTL, RLC_ENABLE_F32, 0); gfx_v8_0_enable_gui_idle_interrupt(adev, false); - gfx_v8_0_wait_for_rlc_serdes(adev); } static void gfx_v8_0_rlc_reset(struct amdgpu_device *adev) { - u32 tmp = RREG32(mmGRBM_SOFT_RESET); - - tmp = REG_SET_FIELD(tmp, GRBM_SOFT_RESET, SOFT_RESET_RLC, 1); - WREG32(mmGRBM_SOFT_RESET, tmp); + WREG32_FIELD(GRBM_SOFT_RESET, SOFT_RESET_RLC, 1); udelay(50); - tmp = REG_SET_FIELD(tmp, GRBM_SOFT_RESET, SOFT_RESET_RLC, 0); - WREG32(mmGRBM_SOFT_RESET, tmp); + + WREG32_FIELD(GRBM_SOFT_RESET, SOFT_RESET_RLC, 0); udelay(50); } static void gfx_v8_0_rlc_start(struct amdgpu_device *adev) { - u32 tmp = RREG32(mmRLC_CNTL); - - tmp = REG_SET_FIELD(tmp, RLC_CNTL, RLC_ENABLE_F32, 1); - WREG32(mmRLC_CNTL, tmp); + WREG32_FIELD(RLC_CNTL, RLC_ENABLE_F32, 1); /* carrizo do enable cp interrupt after cp inited */ if (!(adev->flags & AMD_IS_APU)) @@ -5367,8 +5307,6 @@ static int gfx_v8_0_late_init(void *handle) static void gfx_v8_0_enable_gfx_static_mg_power_gating(struct amdgpu_device *adev, bool enable) { - uint32_t data, temp; - if (adev->asic_type == CHIP_POLARIS11) /* Send msg to SMU via Powerplay */ amdgpu_set_powergating_state(adev, @@ -5376,83 +5314,35 @@ static void gfx_v8_0_enable_gfx_static_mg_power_gating(struct amdgpu_device *ade enable ? AMD_PG_STATE_GATE : AMD_PG_STATE_UNGATE); - temp = data = RREG32(mmRLC_PG_CNTL); - /* Enable static MGPG */ - if (enable) - data |= RLC_PG_CNTL__STATIC_PER_CU_PG_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__STATIC_PER_CU_PG_ENABLE_MASK; - - if (temp != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, STATIC_PER_CU_PG_ENABLE, enable ? 1 : 0); } static void gfx_v8_0_enable_gfx_dynamic_mg_power_gating(struct amdgpu_device *adev, bool enable) { - uint32_t data, temp; - - temp = data = RREG32(mmRLC_PG_CNTL); - /* Enable dynamic MGPG */ - if (enable) - data |= RLC_PG_CNTL__DYN_PER_CU_PG_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__DYN_PER_CU_PG_ENABLE_MASK; - - if (temp != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, DYN_PER_CU_PG_ENABLE, enable ? 1 : 0); } static void polaris11_enable_gfx_quick_mg_power_gating(struct amdgpu_device *adev, bool enable) { - uint32_t data, temp; - - temp = data = RREG32(mmRLC_PG_CNTL); - /* Enable quick PG */ - if (enable) - data |= RLC_PG_CNTL__QUICK_PG_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__QUICK_PG_ENABLE_MASK; - - if (temp != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, QUICK_PG_ENABLE, enable ? 1 : 0); } static void cz_enable_gfx_cg_power_gating(struct amdgpu_device *adev, bool enable) { - u32 data, orig; - - orig = data = RREG32(mmRLC_PG_CNTL); - - if (enable) - data |= RLC_PG_CNTL__GFX_POWER_GATING_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__GFX_POWER_GATING_ENABLE_MASK; - - if (orig != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, GFX_POWER_GATING_ENABLE, enable ? 1 : 0); } static void cz_enable_gfx_pipeline_power_gating(struct amdgpu_device *adev, bool enable) { - u32 data, orig; - - orig = data = RREG32(mmRLC_PG_CNTL); - - if (enable) - data |= RLC_PG_CNTL__GFX_PIPELINE_PG_ENABLE_MASK; - else - data &= ~RLC_PG_CNTL__GFX_PIPELINE_PG_ENABLE_MASK; - - if (orig != data) - WREG32(mmRLC_PG_CNTL, data); + WREG32_FIELD(RLC_PG_CNTL, GFX_PIPELINE_PG_ENABLE, enable ? 1 : 0); /* Read any GFX register to wake up GFX. */ if (!enable) - data = RREG32(mmDB_RENDER_CONTROL); + RREG32(mmDB_RENDER_CONTROL); } static void cz_update_gfx_cg_power_gating(struct amdgpu_device *adev, @@ -5559,10 +5449,10 @@ static void gfx_v8_0_send_serdes_cmd(struct amdgpu_device *adev, #define MSG_ENTER_RLC_SAFE_MODE 1 #define MSG_EXIT_RLC_SAFE_MODE 0 - -#define RLC_GPR_REG2__REQ_MASK 0x00000001 -#define RLC_GPR_REG2__MESSAGE__SHIFT 0x00000001 -#define RLC_GPR_REG2__MESSAGE_MASK 0x0000001e +#define RLC_GPR_REG2__REQ_MASK 0x00000001 +#define RLC_GPR_REG2__REQ__SHIFT 0 +#define RLC_GPR_REG2__MESSAGE__SHIFT 0x00000001 +#define RLC_GPR_REG2__MESSAGE_MASK 0x0000001e static void cz_enter_rlc_safe_mode(struct amdgpu_device *adev) { @@ -5592,7 +5482,7 @@ static void cz_enter_rlc_safe_mode(struct amdgpu_device *adev) } for (i = 0; i < adev->usec_timeout; i++) { - if ((RREG32(mmRLC_GPR_REG2) & RLC_GPR_REG2__REQ_MASK) == 0) + if (!REG_GET_FIELD(RREG32(mmRLC_GPR_REG2), RLC_GPR_REG2, REQ)) break; udelay(1); } @@ -5620,7 +5510,7 @@ static void cz_exit_rlc_safe_mode(struct amdgpu_device *adev) } for (i = 0; i < adev->usec_timeout; i++) { - if ((RREG32(mmRLC_GPR_REG2) & RLC_GPR_REG2__REQ_MASK) == 0) + if (!REG_GET_FIELD(RREG32(mmRLC_GPR_REG2), RLC_GPR_REG2, REQ)) break; udelay(1); } @@ -5652,7 +5542,7 @@ static void iceland_enter_rlc_safe_mode(struct amdgpu_device *adev) } for (i = 0; i < adev->usec_timeout; i++) { - if ((RREG32(mmRLC_SAFE_MODE) & RLC_SAFE_MODE__CMD_MASK) == 0) + if (!REG_GET_FIELD(RREG32(mmRLC_SAFE_MODE), RLC_SAFE_MODE, CMD)) break; udelay(1); } @@ -5679,7 +5569,7 @@ static void iceland_exit_rlc_safe_mode(struct amdgpu_device *adev) } for (i = 0; i < adev->usec_timeout; i++) { - if ((RREG32(mmRLC_SAFE_MODE) & RLC_SAFE_MODE__CMD_MASK) == 0) + if (!REG_GET_FIELD(RREG32(mmRLC_SAFE_MODE), RLC_SAFE_MODE, CMD)) break; udelay(1); } @@ -5720,21 +5610,12 @@ static void gfx_v8_0_update_medium_grain_clock_gating(struct amdgpu_device *adev /* It is disabled by HW by default */ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG)) { if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGLS) { - if (adev->cg_flags & AMD_CG_SUPPORT_GFX_RLC_LS) { + if (adev->cg_flags & AMD_CG_SUPPORT_GFX_RLC_LS) /* 1 - RLC memory Light sleep */ - temp = data = RREG32(mmRLC_MEM_SLP_CNTL); - data |= RLC_MEM_SLP_CNTL__RLC_MEM_LS_EN_MASK; - if (temp != data) - WREG32(mmRLC_MEM_SLP_CNTL, data); - } + WREG32_FIELD(RLC_MEM_SLP_CNTL, RLC_MEM_LS_EN, 1); - if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CP_LS) { - /* 2 - CP memory Light sleep */ - temp = data = RREG32(mmCP_MEM_SLP_CNTL); - data |= CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK; - if (temp != data) - WREG32(mmCP_MEM_SLP_CNTL, data); - } + if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CP_LS) + WREG32_FIELD(CP_MEM_SLP_CNTL, CP_MEM_LS_EN, 1); } /* 3 - RLC_CGTT_MGCG_OVERRIDE */ @@ -6209,33 +6090,14 @@ static void gfx_v8_0_ring_emit_fence_compute(struct amdgpu_ring *ring, static void gfx_v8_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev, enum amdgpu_interrupt_state state) { - u32 cp_int_cntl; - - switch (state) { - case AMDGPU_IRQ_STATE_DISABLE: - cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); - cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - TIME_STAMP_INT_ENABLE, 0); - WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); - break; - case AMDGPU_IRQ_STATE_ENABLE: - cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); - cp_int_cntl = - REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - TIME_STAMP_INT_ENABLE, 1); - WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); - break; - default: - break; - } + WREG32_FIELD(CP_INT_CNTL_RING0, TIME_STAMP_INT_ENABLE, + state == AMDGPU_IRQ_STATE_DISABLE ? 0 : 1); } static void gfx_v8_0_set_compute_eop_interrupt_state(struct amdgpu_device *adev, int me, int pipe, enum amdgpu_interrupt_state state) { - u32 mec_int_cntl, mec_int_cntl_reg; - /* * amdgpu controls only pipe 0 of MEC1. That's why this function only * handles the setting of interrupts for this specific pipe. All other @@ -6245,7 +6107,6 @@ static void gfx_v8_0_set_compute_eop_interrupt_state(struct amdgpu_device *adev, if (me == 1) { switch (pipe) { case 0: - mec_int_cntl_reg = mmCP_ME1_PIPE0_INT_CNTL; break; default: DRM_DEBUG("invalid pipe %d\n", pipe); @@ -6256,22 +6117,8 @@ static void gfx_v8_0_set_compute_eop_interrupt_state(struct amdgpu_device *adev, return; } - switch (state) { - case AMDGPU_IRQ_STATE_DISABLE: - mec_int_cntl = RREG32(mec_int_cntl_reg); - mec_int_cntl = REG_SET_FIELD(mec_int_cntl, CP_ME1_PIPE0_INT_CNTL, - TIME_STAMP_INT_ENABLE, 0); - WREG32(mec_int_cntl_reg, mec_int_cntl); - break; - case AMDGPU_IRQ_STATE_ENABLE: - mec_int_cntl = RREG32(mec_int_cntl_reg); - mec_int_cntl = REG_SET_FIELD(mec_int_cntl, CP_ME1_PIPE0_INT_CNTL, - TIME_STAMP_INT_ENABLE, 1); - WREG32(mec_int_cntl_reg, mec_int_cntl); - break; - default: - break; - } + WREG32_FIELD(CP_ME1_PIPE0_INT_CNTL, TIME_STAMP_INT_ENABLE, + state == AMDGPU_IRQ_STATE_DISABLE ? 0 : 1); } static int gfx_v8_0_set_priv_reg_fault_state(struct amdgpu_device *adev, @@ -6279,24 +6126,8 @@ static int gfx_v8_0_set_priv_reg_fault_state(struct amdgpu_device *adev, unsigned type, enum amdgpu_interrupt_state state) { - u32 cp_int_cntl; - - switch (state) { - case AMDGPU_IRQ_STATE_DISABLE: - cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); - cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - PRIV_REG_INT_ENABLE, 0); - WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); - break; - case AMDGPU_IRQ_STATE_ENABLE: - cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); - cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - PRIV_REG_INT_ENABLE, 1); - WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); - break; - default: - break; - } + WREG32_FIELD(CP_INT_CNTL_RING0, PRIV_REG_INT_ENABLE, + state == AMDGPU_IRQ_STATE_DISABLE ? 0 : 1); return 0; } @@ -6306,24 +6137,8 @@ static int gfx_v8_0_set_priv_inst_fault_state(struct amdgpu_device *adev, unsigned type, enum amdgpu_interrupt_state state) { - u32 cp_int_cntl; - - switch (state) { - case AMDGPU_IRQ_STATE_DISABLE: - cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); - cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - PRIV_INSTR_INT_ENABLE, 0); - WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); - break; - case AMDGPU_IRQ_STATE_ENABLE: - cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); - cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - PRIV_INSTR_INT_ENABLE, 1); - WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); - break; - default: - break; - } + WREG32_FIELD(CP_INT_CNTL_RING0, PRIV_INSTR_INT_ENABLE, + state == AMDGPU_IRQ_STATE_DISABLE ? 0 : 1); return 0; }