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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6d468badb669..27acbe3ff57b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -11814,6 +11814,12 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device *dev)
mutex_unlock(&adev->dm.dc_lock);
}
+static inline void amdgpu_dm_exit_ips_for_hw_access(struct dc *dc)
+{
+ if (dc->ctx->dmub_srv && !dc->ctx->dmub_srv->idle_exit_counter)
+ dc_exit_ips_for_hw_access(dc);
+}
+
void dm_write_reg_func(const struct dc_context *ctx, uint32_t address,
u32 value, const char *func_name)
{
@@ -11824,6 +11830,8 @@ void dm_write_reg_func(const struct dc_context *ctx, uint32_t address,
return;
}
#endif
+
+ amdgpu_dm_exit_ips_for_hw_access(ctx->dc);
cgs_write_register(ctx->cgs_device, address, value);
trace_amdgpu_dc_wreg(&ctx->perf_trace->write_count, address, value);
}
@@ -11847,6 +11855,8 @@ uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address,
return 0;
}
+ amdgpu_dm_exit_ips_for_hw_access(ctx->dc);
+
value = cgs_read_register(ctx->cgs_device, address);
trace_amdgpu_dc_rreg(&ctx->perf_trace->read_count, address, value);