diff options
| author | hersen wu <hersenxs.wu@amd.com> | 2019-05-21 13:07:57 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 09:33:44 -0500 |
| commit | a18bf0ca41a9a40cb80b9118eac045e7087a18db (patch) | |
| tree | 2b98e8b5764029ddd9c321d05c1f7a4762942a26 /drivers/gpu/drm/amd/powerplay/smu_v11_0.c | |
| parent | 6fbefb84a98ecc43cb4035c44fe417e6751ddd83 (diff) | |
drm/amd/powrplay: add interface for dc to get max clock values
dc (display component) needs maximum clock values of uclock,
socclk, dcefclk, to calculate display bandwidth.
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index b020a8c28c32..5237246f89f7 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1598,6 +1598,36 @@ static int smu_v11_0_register_irq_handler(struct smu_context *smu) return ret; } +static int smu_v11_0_get_max_sustainable_clocks_by_dc(struct smu_context *smu, + struct pp_smu_nv_clock_table *max_clocks) +{ + struct smu_table_context *table_context = &smu->smu_table; + struct smu_11_0_max_sustainable_clocks *sustainable_clocks = NULL; + + if (!max_clocks || !table_context->max_sustainable_clocks) + return -EINVAL; + + sustainable_clocks = table_context->max_sustainable_clocks; + + max_clocks->dcfClockInKhz = + (unsigned int) sustainable_clocks->dcef_clock * 1000; + max_clocks->displayClockInKhz = + (unsigned int) sustainable_clocks->display_clock * 1000; + max_clocks->phyClockInKhz = + (unsigned int) sustainable_clocks->phy_clock * 1000; + max_clocks->pixelClockInKhz = + (unsigned int) sustainable_clocks->pixel_clock * 1000; + max_clocks->uClockInKhz = + (unsigned int) sustainable_clocks->uclock * 1000; + max_clocks->socClockInKhz = + (unsigned int) sustainable_clocks->soc_clock * 1000; + max_clocks->dscClockInKhz = 0; + max_clocks->dppClockInKhz = 0; + max_clocks->fabricClockInKhz = 0; + + return 0; +} + static int smu_v11_0_set_azalia_d3_pme(struct smu_context *smu) { int ret = 0; @@ -1656,6 +1686,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .gfx_off_control = smu_v11_0_gfx_off_control, .register_irq_handler = smu_v11_0_register_irq_handler, .set_azalia_d3_pme = smu_v11_0_set_azalia_d3_pme, + .get_max_sustainable_clocks_by_dc = smu_v11_0_get_max_sustainable_clocks_by_dc, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu) |