<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div id="appendonsend" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> Reviewed-by: Kevin Wang <kevin1.wang@amd.com></div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> </div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> Best Regards,</div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> Kevin</div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Kenneth Feng <kenneth.feng@amd.com> Sent: Thursday, September 26, 2019 4:47 PM To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Feng, Kenneth <Kenneth.Feng@amd.com> Subject: [PATCH] drm/amd/amdgpu: add IH cg support on soc15 project <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">enable/disable IH clock gating on soc15 projects. Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> --- drivers/gpu/drm/amd/amdgpu/soc15.c | 3 +- drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 39 ++++++++++++++++++++++ .../amd/include/asic_reg/oss/osssys_4_0_sh_mask.h | 4 +++ 3 files changed, 45 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 58818761..e40410e 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1166,7 +1166,8 @@ static int soc15_common_early_init(void *handle) AMD_CG_SUPPORT_SDMA_MGCG | AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_MC_MGCG | - AMD_CG_SUPPORT_MC_LS; + AMD_CG_SUPPORT_MC_LS | + AMD_CG_SUPPORT_IH_CG; adev->pg_flags = 0; adev->external_rev_id = adev->rev_id + 0x32; break; diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c index 14e0b04..5cb7e23 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c @@ -675,10 +675,49 @@ static int vega10_ih_soft_reset(void *handle) return 0; } +static void vega10_ih_update_clockgating_state(struct amdgpu_device *adev, + bool enable) +{ + uint32_t data, def, field_val; + + if (adev->cg_flags & AMD_CG_SUPPORT_IH_CG) { + def = data = RREG32_SOC15(OSSSYS, 0, mmIH_CLK_CTRL); + field_val = enable ? 0 : 1; + /** + * Vega10 does not have IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE + * and IH_BUFFER_MEM_CLK_SOFT_OVERRIDE field. + */ + if (adev->asic_type > CHIP_VEGA10) { + data = REG_SET_FIELD(data, IH_CLK_CTRL, + IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + IH_BUFFER_MEM_CLK_SOFT_OVERRIDE, field_val); + } + + data = REG_SET_FIELD(data, IH_CLK_CTRL, + DBUS_MUX_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + OSSSYS_SHARE_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + LIMIT_SMN_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + DYN_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + REG_CLK_SOFT_OVERRIDE, field_val); + if (def != data) + WREG32_SOC15(OSSSYS, 0, mmIH_CLK_CTRL, data); + } +} + static int vega10_ih_set_clockgating_state(void *handle, enum amd_clockgating_state state) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + vega10_ih_update_clockgating_state(adev, + state == AMD_CG_STATE_GATE ? true : false); return 0; + } static int vega10_ih_set_powergating_state(void *handle, diff --git a/drivers/gpu/drm/amd/include/asic_reg/oss/osssys_4_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/oss/osssys_4_0_sh_mask.h index dc9895a..096d878 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/oss/osssys_4_0_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/oss/osssys_4_0_sh_mask.h @@ -588,11 +588,15 @@ #define IH_STORM_CLIENT_LIST_CNTL__CLIENT30_IS_STORM_CLIENT_MASK 0x40000000L #define IH_STORM_CLIENT_LIST_CNTL__CLIENT31_IS_STORM_CLIENT_MASK 0x80000000L //IH_CLK_CTRL +#define IH_CLK_CTRL__IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE__SHIFT 0x19 +#define IH_CLK_CTRL__IH_BUFFER_MEM_CLK_SOFT_OVERRIDE__SHIFT 0x1a #define IH_CLK_CTRL__DBUS_MUX_CLK_SOFT_OVERRIDE__SHIFT 0x1b #define IH_CLK_CTRL__OSSSYS_SHARE_CLK_SOFT_OVERRIDE__SHIFT 0x1c #define IH_CLK_CTRL__LIMIT_SMN_CLK_SOFT_OVERRIDE__SHIFT 0x1d #define IH_CLK_CTRL__DYN_CLK_SOFT_OVERRIDE__SHIFT 0x1e #define IH_CLK_CTRL__REG_CLK_SOFT_OVERRIDE__SHIFT 0x1f +#define IH_CLK_CTRL__IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE_MASK 0x02000000L +#define IH_CLK_CTRL__IH_BUFFER_MEM_CLK_SOFT_OVERRIDE_MASK 0x04000000L #define IH_CLK_CTRL__DBUS_MUX_CLK_SOFT_OVERRIDE_MASK 0x08000000L #define IH_CLK_CTRL__OSSSYS_SHARE_CLK_SOFT_OVERRIDE_MASK 0x10000000L #define IH_CLK_CTRL__LIMIT_SMN_CLK_SOFT_OVERRIDE_MASK 0x20000000L -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a></div> </div> </body> </html>