From: Hawking Zhang Date: Mon, 19 Jun 2017 06:39:02 +0000 (+0800) Subject: drm/amdgpu: add new flag AMD_PG_SUPPORT_MMHUB X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8386b3521f2d97bc782c545a9ab1a10ff260d25;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: add new flag AMD_PG_SUPPORT_MMHUB Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 3392bd48c6e4..175ba5f9691c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -698,6 +698,7 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) switch (adev->asic_type) { case CHIP_RAVEN: mmhub_v1_0_initialize_power_gating(adev); + mmhub_v1_0_update_power_gating(adev, true); break; default: break; diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index c885c0d9344b..9804318f3488 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -426,7 +426,7 @@ void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev, pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE); pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE); - if (enable) { + if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) { pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute, PCTL0_RENG_EXECUTE, RENG_EXECUTE_ON_PWR_UP, 1); diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index beb2a81ab7da..70e8c20acb2f 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -184,6 +184,7 @@ enum amd_fan_ctrl_mode { #define AMD_PG_SUPPORT_SAMU (1 << 10) #define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11) #define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12) +#define AMD_PG_SUPPORT_MMHUB (1 << 13) enum amd_pm_state_type { /* not used for dpm */