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authorDave Airlie <airlied@redhat.com>2021-12-10 13:52:51 +1000
committerDave Airlie <airlied@redhat.com>2021-12-10 13:52:51 +1000
commitf8eb96b4dfbbbadfb73ee9a1cd0294f9e2762a14 (patch)
tree962db18feaa6ff95fb080062f7bcd9add4c34d0b /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
parentc8a04cbeedbc9f71c475141baa656f14f4879792 (diff)
parent70897848730470cc477d5d89e6222c0f6a9ac173 (diff)
Merge tag 'amd-drm-next-5.17-2021-12-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.17-2021-12-02: amdgpu: - Use generic drm fb helpers - PSR fixes - Rework DCN3.1 clkmgr - DPCD 1.3 fixes - Misc display fixes can cleanups - Clock query fixes for APUs - LTTPR fixes - DSC fixes - Misc PM fixes - RAS fixes - OLED backlight fix - SRIOV fixes - Add STB (Smart Trace Buffer) for supported dGPUs - IH rework - Enable seamless boot for DCN3.01 amdkfd: - Rework more stuff around IP discovery enumeration - Further clean up of interfaces with amdgpu - SVM fixes radeon: - Indentation fixes UAPI: - Add a new KFD header that defines some of the sysfs bitfields and enums that userspace has been using for a while The corresponding bit-fields and enums in user mode are defined in https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/blob/master/include/hsakmttypes.h Signed-off-by: Dave Airlie <airlied@redhat.com> # Conflicts: # drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211202191643.5970-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c46
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index b4b80f27b894..34478bcc4d09 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -140,6 +140,11 @@ MODULE_FIRMWARE("amdgpu/aldebaran_rlc.bin");
#define mmTCP_CHAN_STEER_5_ARCT 0x0b0c
#define mmTCP_CHAN_STEER_5_ARCT_BASE_IDX 0
+#define mmGOLDEN_TSC_COUNT_UPPER_Renoir 0x0025
+#define mmGOLDEN_TSC_COUNT_UPPER_Renoir_BASE_IDX 1
+#define mmGOLDEN_TSC_COUNT_LOWER_Renoir 0x0026
+#define mmGOLDEN_TSC_COUNT_LOWER_Renoir_BASE_IDX 1
+
enum ta_ras_gfx_subblock {
/*CPC*/
TA_RAS_BLOCK__GFX_CPC_INDEX_START = 0,
@@ -4238,19 +4243,38 @@ failed_kiq_read:
static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev)
{
- uint64_t clock;
+ uint64_t clock, clock_lo, clock_hi, hi_check;
- amdgpu_gfx_off_ctrl(adev, false);
- mutex_lock(&adev->gfx.gpu_clock_mutex);
- if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 0, 1) && amdgpu_sriov_runtime(adev)) {
- clock = gfx_v9_0_kiq_read_clock(adev);
- } else {
- WREG32_SOC15(GC, 0, mmRLC_CAPTURE_GPU_CLOCK_COUNT, 1);
- clock = (uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_LSB) |
- ((uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
+ switch (adev->ip_versions[GC_HWIP][0]) {
+ case IP_VERSION(9, 3, 0):
+ preempt_disable();
+ clock_hi = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_UPPER_Renoir);
+ clock_lo = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_LOWER_Renoir);
+ hi_check = RREG32_SOC15_NO_KIQ(SMUIO, 0, mmGOLDEN_TSC_COUNT_UPPER_Renoir);
+ /* The SMUIO 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(SMUIO, 0, mmGOLDEN_TSC_COUNT_LOWER_Renoir);
+ 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);
+ if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 0, 1) && amdgpu_sriov_runtime(adev)) {
+ clock = gfx_v9_0_kiq_read_clock(adev);
+ } else {
+ WREG32_SOC15(GC, 0, mmRLC_CAPTURE_GPU_CLOCK_COUNT, 1);
+ clock = (uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_LSB) |
+ ((uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
+ }
+ mutex_unlock(&adev->gfx.gpu_clock_mutex);
+ amdgpu_gfx_off_ctrl(adev, true);
+ break;
}
- mutex_unlock(&adev->gfx.gpu_clock_mutex);
- amdgpu_gfx_off_ctrl(adev, true);
return clock;
}