Commit 43195162 authored by André Almeida's avatar André Almeida Committed by Alex Deucher
Browse files

drm/amd/pm: Implement get GFXOFF status for vangogh 



Implement function to get current GFXOFF status for vangogh.

Signed-off-by: default avatarAndré Almeida <andrealmeid@igalia.com>
Acked-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3fb0fdd7

drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c

+38 −0
Original line number Diff line number Diff line
@@ -46,6 +46,18 @@ 
#undef pr_info

#undef pr_debug



// Registers related to GFXOFF

// addressBlock: smuio_smuio_SmuSmuioDec

// base address: 0x5a000

#define mmSMUIO_GFX_MISC_CNTL			0x00c5

#define mmSMUIO_GFX_MISC_CNTL_BASE_IDX		0



//SMUIO_GFX_MISC_CNTL

#define SMUIO_GFX_MISC_CNTL__SMU_GFX_cold_vs_gfxoff__SHIFT	0x0

#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT		0x1

#define SMUIO_GFX_MISC_CNTL__SMU_GFX_cold_vs_gfxoff_MASK	0x00000001L

#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK		0x00000006L



#define FEATURE_MASK(feature) (1ULL << feature)

#define SMC_DPM_FEATURE ( \

	FEATURE_MASK(FEATURE_CCLK_DPM_BIT) | \
@@ -2045,6 +2057,31 @@ static int vangogh_mode2_reset(struct smu_context *smu) 
	return vangogh_mode_reset(smu, SMU_RESET_MODE_2);

}



/**

 * vangogh_get_gfxoff_status - Get gfxoff status

 *

 * @smu: amdgpu_device pointer

 *

 * Get current gfxoff status

 *

 * Return:

 * * 0	- GFXOFF (default if enabled).

 * * 1	- Transition out of GFX State.

 * * 2	- Not in GFXOFF.

 * * 3	- Transition into GFXOFF.

 */

static u32 vangogh_get_gfxoff_status(struct smu_context *smu)

{

	struct amdgpu_device *adev = smu->adev;

	u32 reg, gfxoff_status;



	reg = RREG32_SOC15(SMUIO, 0, mmSMUIO_GFX_MISC_CNTL);

	gfxoff_status = (reg & SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK)

		>> SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT;



	return gfxoff_status;

}



static int vangogh_get_power_limit(struct smu_context *smu,

				   uint32_t *current_power_limit,

				   uint32_t *default_power_limit,
@@ -2199,6 +2236,7 @@ static const struct pptable_funcs vangogh_ppt_funcs = { 
	.post_init = vangogh_post_smu_init,

	.mode2_reset = vangogh_mode2_reset,

	.gfx_off_control = smu_v11_0_gfx_off_control,

	.get_gfx_off_status = vangogh_get_gfxoff_status,

	.get_ppt_limit = vangogh_get_ppt_limit,

	.get_power_limit = vangogh_get_power_limit,

	.set_power_limit = vangogh_set_power_limit,