drm/radeon: add support for thermal sensor on tn
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 8458330..f889461 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -692,6 +692,14 @@
return err;
}
+int tn_get_temp(struct radeon_device *rdev)
+{
+ u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
+ int actual_temp = (temp / 8) - 49;
+
+ return actual_temp * 1000;
+}
+
/*
* Core functions
*/
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index e226faf..7b8da52 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -489,6 +489,9 @@
# define CACHE_FLUSH_AND_INV_EVENT_TS (0x14 << 0)
# define CACHE_FLUSH_AND_INV_EVENT (0x16 << 0)
+/* TN SMU registers */
+#define TN_CURRENT_GNB_TEMP 0x1F390
+
/*
* UVD
*/
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 9f54263..0a39680 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1897,6 +1897,7 @@
.set_pcie_lanes = NULL,
.set_clock_gating = NULL,
.set_uvd_clocks = &sumo_set_uvd_clocks,
+ .get_temperature = &tn_get_temp,
},
.pflip = {
.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 74f04a8..0879f3b 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -492,6 +492,7 @@
void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
int evergreen_get_temp(struct radeon_device *rdev);
int sumo_get_temp(struct radeon_device *rdev);
+int tn_get_temp(struct radeon_device *rdev);
/*
* cayman