<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif;" dir="ltr"> Hi Rex, Given how often we diagnose problems by disabling PG/CG I'd have to offer my NAK to this patch since it prevents me from disabling PG via the command line. Any reason you want to make it permanently enabled? Tom <div style="color: rgb(0, 0, 0);"> <div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="x_divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Rex Zhu <Rex.Zhu@amd.com> Sent: Thursday, December 1, 2016 03:24 To: amd-gfx@lists.freedesktop.org Cc: Zhu, Rex Subject: [PATCH] drm/amdgpu: refine pg code for gfx_v8. <div> </div> </div> </div> <div class="PlainText">1. bit CP_PG_DISABLE was reversed. 2. load RLC_SRM_INDEX_CNTL_ADDR/DATA_x pairs with valid addr/data. 3. always init gfx pg. 4. delete repeated check for pg mask. Change-Id: I9fcc8d1f79f5fa1803cb2625aa292188a656ae6b Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 85 +++++++++++++++-------------------- 1 file changed, 37 insertions(+), 48 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index c02ae07..fee8c2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3948,8 +3948,10 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev) temp = mmRLC_SRM_INDEX_CNTL_ADDR_0; data = mmRLC_SRM_INDEX_CNTL_DATA_0; for (i = 0; i < sizeof(unique_indices) / sizeof(int); i++) { - amdgpu_mm_wreg(adev, temp + i, unique_indices[i] & 0x3FFFF, false); - amdgpu_mm_wreg(adev, data + i, unique_indices[i] >> 20, false); + if (unique_indices[i] != 0) { + amdgpu_mm_wreg(adev, temp + i, unique_indices[i] & 0x3FFFF, false); + amdgpu_mm_wreg(adev, data + i, unique_indices[i] >> 20, false); + } } kfree(register_list_format); @@ -3965,20 +3967,16 @@ static void gfx_v8_0_init_power_gating(struct amdgpu_device *adev) { uint32_t data; - if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG | - AMD_PG_SUPPORT_GFX_SMG | - AMD_PG_SUPPORT_GFX_DMG)) { - WREG32_FIELD(CP_RB_WPTR_POLL_CNTL, IDLE_POLL_COUNT, 0x60); + WREG32_FIELD(CP_RB_WPTR_POLL_CNTL, IDLE_POLL_COUNT, 0x60); - 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 = 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); - WREG32_FIELD(RLC_PG_DELAY_2, SERDES_CMD_DELAY, 0x3); - WREG32_FIELD(RLC_AUTO_PG_CTRL, GRBM_REG_SAVE_GFX_IDLE_THRESHOLD, 0x55f0); - } + 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, @@ -3995,41 +3993,35 @@ static void cz_enable_sck_slow_down_on_power_down(struct amdgpu_device *adev, static void cz_enable_cp_power_gating(struct amdgpu_device *adev, bool enable) { - WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 1 : 0); + WREG32_FIELD(RLC_PG_CNTL, CP_PG_DISABLE, enable ? 0 : 1); } static void gfx_v8_0_init_pg(struct amdgpu_device *adev) { - if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG | - AMD_PG_SUPPORT_GFX_SMG | - AMD_PG_SUPPORT_GFX_DMG | - AMD_PG_SUPPORT_CP | - AMD_PG_SUPPORT_GDS | - AMD_PG_SUPPORT_RLC_SMU_HS)) { - gfx_v8_0_init_csb(adev); - gfx_v8_0_init_save_restore_list(adev); - gfx_v8_0_enable_save_restore_machine(adev); - - if ((adev->asic_type == CHIP_CARRIZO) || - (adev->asic_type == CHIP_STONEY)) { - WREG32(mmRLC_JUMP_TABLE_RESTORE, adev->gfx.rlc.cp_table_gpu_addr >> 8); - gfx_v8_0_init_power_gating(adev); - WREG32(mmRLC_PG_ALWAYS_ON_CU_MASK, adev->gfx.cu_info.ao_cu_mask); - if (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS) { - cz_enable_sck_slow_down_on_power_up(adev, true); - cz_enable_sck_slow_down_on_power_down(adev, true); - } else { - cz_enable_sck_slow_down_on_power_up(adev, false); - cz_enable_sck_slow_down_on_power_down(adev, false); - } - if (adev->pg_flags & AMD_PG_SUPPORT_CP) - cz_enable_cp_power_gating(adev, true); - else - cz_enable_cp_power_gating(adev, false); - } else if (adev->asic_type == CHIP_POLARIS11) { - gfx_v8_0_init_power_gating(adev); + gfx_v8_0_init_csb(adev); + gfx_v8_0_init_save_restore_list(adev); + gfx_v8_0_enable_save_restore_machine(adev); + + if ((adev->asic_type == CHIP_CARRIZO) || + (adev->asic_type == CHIP_STONEY)) { + WREG32(mmRLC_JUMP_TABLE_RESTORE, adev->gfx.rlc.cp_table_gpu_addr >> 8); + gfx_v8_0_init_power_gating(adev); + WREG32(mmRLC_PG_ALWAYS_ON_CU_MASK, adev->gfx.cu_info.ao_cu_mask); + if (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS) { + cz_enable_sck_slow_down_on_power_up(adev, true); + cz_enable_sck_slow_down_on_power_down(adev, true); + } else { + cz_enable_sck_slow_down_on_power_up(adev, false); + cz_enable_sck_slow_down_on_power_down(adev, false); } + if (adev->pg_flags & AMD_PG_SUPPORT_CP) + cz_enable_cp_power_gating(adev, true); + else + cz_enable_cp_power_gating(adev, false); + } else if (adev->asic_type == CHIP_POLARIS11) { + gfx_v8_0_init_power_gating(adev); } + } static void gfx_v8_0_rlc_stop(struct amdgpu_device *adev) @@ -5570,14 +5562,11 @@ static int gfx_v8_0_set_powergating_state(void *handle, struct amdgpu_device *adev = (struct amdgpu_device *)handle; bool enable = (state == AMD_PG_STATE_GATE) ? true : false; - if (!(adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)) - return 0; - switch (adev->asic_type) { case CHIP_CARRIZO: case CHIP_STONEY: - if (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG) - cz_update_gfx_cg_power_gating(adev, enable); + + cz_update_gfx_cg_power_gating(adev, enable); if ((adev->pg_flags & AMD_PG_SUPPORT_GFX_SMG) && enable) gfx_v8_0_enable_gfx_static_mg_power_gating(adev, true); -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx" id="LPlnk673551" previewremoved="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> <div id="LPBorder_GT_14805986103560.2303328502092905" style="margin-bottom: 20px; overflow: auto; width: 100%; text-indent: 0px;"> <table id="LPContainer_14805986103510.928282809078228" cellspacing="0" style="width: 90%; background-color: rgb(255, 255, 255); position: relative; overflow: auto; padding-top: 20px; padding-bottom: 20px; margin-top: 20px; border-top: 1px dotted rgb(200, 200, 200); border-bottom: 1px dotted rgb(200, 200, 200);"> <tbody> <tr valign="top" style="border-spacing: 0px;"> <td id="TextCell_14805986103530.5299249391541836" colspan="2" style="vertical-align: top; position: relative; padding: 0px; display: table-cell;"> <div id="LPRemovePreviewContainer_14805986103540.9670587046814567"></div> <div id="LPTitle_14805986103540.19756975909973828" style="top: 0px; color: rgb(59, 87, 119); font-weight: normal; font-size: 21px; font-family: wf_segoe-ui_light, "Segoe UI Light", "Segoe WP Light", "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; line-height: 21px;"> <a id="LPUrlAnchor_14805986103550.2422724483276617" href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx" target="_blank" style="text-decoration: none;">amd-gfx Info Page - lists.freedesktop.org</a></div> <div id="LPMetadata_14805986103550.8026698469598559" style="margin: 10px 0px 16px; color: rgb(102, 102, 102); font-weight: normal; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 14px; line-height: 14px;"> lists.freedesktop.org</div> <div id="LPDescription_14805986103550.03961792031288636" style="display: block; color: rgb(102, 102, 102); font-weight: normal; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 14px; line-height: 20px; max-height: 100px; overflow: hidden;"> To see the collection of prior postings to the list, visit the amd-gfx Archives. 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