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[AMD Official Use Only - General] Due to raven/raven2 maybe enable sclk slow down, they cannot get clock count by the RLC at the auto level of dpm performance. So switch to golden tsc register. Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx> Signed-off-by: Evan Quan <evan.quan@xxxxxxx> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index ae09fc1cfe6b..c99d9e642e51 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -149,6 +149,16 @@ MODULE_FIRMWARE("amdgpu/aldebaran_sjt_mec2.bin"); #define mmGOLDEN_TSC_COUNT_LOWER_Renoir 0x0026 #define mmGOLDEN_TSC_COUNT_LOWER_Renoir_BASE_IDX 1 +#define mmGOLDEN_TSC_COUNT_UPPER_Raven 0x007a +#define mmGOLDEN_TSC_COUNT_UPPER_Raven_BASE_IDX 0 +#define mmGOLDEN_TSC_COUNT_LOWER_Raven 0x007b +#define mmGOLDEN_TSC_COUNT_LOWER_Raven_BASE_IDX 0 + +#define mmGOLDEN_TSC_COUNT_UPPER_Raven2 0x0068 +#define mmGOLDEN_TSC_COUNT_UPPER_Raven2_BASE_IDX 0 +#define mmGOLDEN_TSC_COUNT_LOWER_Raven2 0x0069 +#define mmGOLDEN_TSC_COUNT_LOWER_Raven2_BASE_IDX 0 + enum ta_ras_gfx_subblock { /*CPC*/ TA_RAS_BLOCK__GFX_CPC_INDEX_START = 0, @@ -3988,6 +3998,36 @@ static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev) preempt_enable(); clock = clock_lo | (clock_hi << 32ULL); break; + case IP_VERSION(9, 1, 0): + preempt_disable(); + clock_hi = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven); + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven); + hi_check = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven); + /* The PWR TSC clock frequency is 100MHz, which sets 32-bit carry over + * roughly every 42 seconds. + */ + if (hi_check != clock_hi) { + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven); + clock_hi = hi_check; + } + preempt_enable(); + clock = clock_lo | (clock_hi << 32ULL); + break; + case IP_VERSION(9, 2, 2): + preempt_disable(); + clock_hi = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven2); + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven2); + hi_check = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven2); + /* The PWR TSC clock frequency is 100MHz, which sets 32-bit carry over + * roughly every 42 seconds. + */ + if (hi_check != clock_hi) { + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven2); + clock_hi = hi_check; + } + preempt_enable(); + clock = clock_lo | (clock_hi << 32ULL); + break; default: amdgpu_gfx_off_ctrl(adev, false); mutex_lock(&adev->gfx.gpu_clock_mutex); |
