Commit 29a15221 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: add support for thermal sensor on tn 



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6bd1c385

drivers/gpu/drm/radeon/ni.c

+8 −0
Original line number Diff line number Diff line
@@ -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

 */

drivers/gpu/drm/radeon/nid.h

+3 −0
Original line number Diff line number Diff line
@@ -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

 */

drivers/gpu/drm/radeon/radeon_asic.c

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/gpu/drm/radeon/radeon_asic.h

+1 −0
Original line number Diff line number Diff line
@@ -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