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

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Implement function to get current GFXOFF status for vangogh.

Signed-off-by: André Almeida <andrealmeid@igalia.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
André Almeida
2022-07-11 16:34:58 -03:00
committed by Alex Deucher
parent 3fb0fdd775
commit 43195162fb
1 changed files with 38 additions and 0 deletions
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38
drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
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@@ -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,