From: Alex Deucher alexander.deucher@amd.com
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/ni.c | 8 ++++++++ drivers/gpu/drm/radeon/nid.h | 3 +++ drivers/gpu/drm/radeon/radeon_asic.c | 1 + drivers/gpu/drm/radeon/radeon_asic.h | 1 + 4 files changed, 13 insertions(+), 0 deletions(-)
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 @@ out: 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 f127ea2..5736377 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1783,6 +1783,7 @@ static struct radeon_asic trinity_asic = { .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 f1dcb07..8507cae 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -486,6 +486,7 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable); 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