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drm/radeon: add support for thermal sensor on tn 

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-12-14 11:57:36 -05:00
parent 6bd1c38532
commit 29a1522189
4 changed files with 13 additions and 0 deletions
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8
drivers/gpu/drm/radeon/ni.c
View File

@ -692,6 +692,14 @@ int ni_init_microcode(struct radeon_device *rdev)
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
*/

3
drivers/gpu/drm/radeon/nid.h
View File

@ -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
*/

1
drivers/gpu/drm/radeon/radeon_asic.c
View File

@ -1897,6 +1897,7 @@ 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,

1
drivers/gpu/drm/radeon/radeon_asic.h
View File

@ -492,6 +492,7 @@ 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