[PATCH 29/31] drm/amdgpu: Switch to smuio func to get gpu clk counter

Alex Deucher alexander.deucher at amd.com
Mon Apr 29 14:33:37 UTC 2024


From: Hawking Zhang <Hawking.Zhang at amd.com>

Switch to smuio callback to query gpu clock counter

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Likun Gao <Likun.Gao at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
index 33fe519e617d6..c94ed3b929cb4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
@@ -36,8 +36,6 @@
 
 #include "gc/gc_12_0_0_offset.h"
 #include "gc/gc_12_0_0_sh_mask.h"
-#include "smuio/smuio_14_0_2_offset.h"
-#include "smuio/smuio_14_0_2_sh_mask.h"
 #include "soc24_enum.h"
 #include "ivsrcid/gfx/irqsrcs_gfx_11_0_0.h"
 
@@ -3469,12 +3467,12 @@ static uint64_t gfx_v12_0_get_gpu_clock_counter(struct amdgpu_device *adev)
 {
 	uint64_t clock;
 
-	amdgpu_gfx_off_ctrl(adev, false);
-	mutex_lock(&adev->gfx.gpu_clock_mutex);
-	clock = (uint64_t)RREG32_SOC15(SMUIO, 0, regGOLDEN_TSC_COUNT_LOWER) |
-		((uint64_t)RREG32_SOC15(SMUIO, 0, regGOLDEN_TSC_COUNT_UPPER) << 32ULL);
-	mutex_unlock(&adev->gfx.gpu_clock_mutex);
-	amdgpu_gfx_off_ctrl(adev, true);
+	if (adev->smuio.funcs &&
+	    adev->smuio.funcs->get_gpu_clock_counter)
+		clock = adev->smuio.funcs->get_gpu_clock_counter(adev);
+	else
+		dev_warn(adev->dev, "query gpu clock counter is not supported\n");
+
 	return clock;
 }
 
-- 
2.44.0



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