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authorEvan Quan <evan.quan@amd.com>2020-08-18 17:10:48 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-10-15 12:21:00 -0400
commit3e66275e0946c1c11b1f130e3e82b41733276022 (patch)
tree2f883832a1ccbf45e68fabbad7fbc938b694c58d /drivers
parentf1213b15976881db82d1dcb36e19646d09b0220f (diff)
downloadlinux-3e66275e0946c1c11b1f130e3e82b41733276022.tar.bz2
drm/amdgpu: add interface for setting MGCG perfmon
Enable Navi1X MGCG perfmon setting. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c16
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index 258498cbf1eb..190753930b11 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -218,6 +218,7 @@ struct amdgpu_gfx_funcs {
void (*reset_ras_error_count) (struct amdgpu_device *adev);
void (*init_spm_golden)(struct amdgpu_device *adev);
void (*query_ras_error_status) (struct amdgpu_device *adev);
+ void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
};
struct sq_work {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 8fc69c208adb..931263331fc7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -4279,6 +4279,21 @@ static void gfx_v10_0_select_me_pipe_q(struct amdgpu_device *adev,
nv_grbm_select(adev, me, pipe, q, vm);
}
+static void gfx_v10_0_update_perfmon_mgcg(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t data, def;
+
+ data = def = RREG32_SOC15(GC, 0, mmRLC_PERFMON_CLK_CNTL);
+
+ if (enable)
+ data |= RLC_PERFMON_CLK_CNTL__PERFMON_CLOCK_STATE_MASK;
+ else
+ data &= ~RLC_PERFMON_CLK_CNTL__PERFMON_CLOCK_STATE_MASK;
+
+ if (data != def)
+ WREG32_SOC15(GC, 0, mmRLC_PERFMON_CLK_CNTL, data);
+}
static const struct amdgpu_gfx_funcs gfx_v10_0_gfx_funcs = {
.get_gpu_clock_counter = &gfx_v10_0_get_gpu_clock_counter,
@@ -4288,6 +4303,7 @@ static const struct amdgpu_gfx_funcs gfx_v10_0_gfx_funcs = {
.read_wave_vgprs = &gfx_v10_0_read_wave_vgprs,
.select_me_pipe_q = &gfx_v10_0_select_me_pipe_q,
.init_spm_golden = &gfx_v10_0_init_spm_golden_registers,
+ .update_perfmon_mgcg = &gfx_v10_0_update_perfmon_mgcg,
};
static void gfx_v10_0_gpu_early_init(struct amdgpu_device *adev)