diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 58 |
1 files changed, 5 insertions, 53 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c index a009fc654ac9..0c923a90615c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -28,49 +28,6 @@ #include "dm_helpers.h" #include "amdgpu_dm.h" -static bool link_get_psr_caps(struct dc_link *link) -{ - uint8_t psr_dpcd_data[EDP_PSR_RECEIVER_CAP_SIZE]; - uint8_t edp_rev_dpcd_data; - - - - if (!dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT, - psr_dpcd_data, sizeof(psr_dpcd_data))) - return false; - - if (!dm_helpers_dp_read_dpcd(NULL, link, DP_EDP_DPCD_REV, - &edp_rev_dpcd_data, sizeof(edp_rev_dpcd_data))) - return false; - - link->dpcd_caps.psr_caps.psr_version = psr_dpcd_data[0]; - link->dpcd_caps.psr_caps.edp_revision = edp_rev_dpcd_data; - -#ifdef CONFIG_DRM_AMD_DC_DCN - if (link->dpcd_caps.psr_caps.psr_version > 0x1) { - uint8_t alpm_dpcd_data; - uint8_t su_granularity_dpcd_data; - - if (!dm_helpers_dp_read_dpcd(NULL, link, DP_RECEIVER_ALPM_CAP, - &alpm_dpcd_data, sizeof(alpm_dpcd_data))) - return false; - - if (!dm_helpers_dp_read_dpcd(NULL, link, DP_PSR2_SU_Y_GRANULARITY, - &su_granularity_dpcd_data, sizeof(su_granularity_dpcd_data))) - return false; - - link->dpcd_caps.psr_caps.y_coordinate_required = psr_dpcd_data[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED; - link->dpcd_caps.psr_caps.su_granularity_required = psr_dpcd_data[1] & DP_PSR2_SU_GRANULARITY_REQUIRED; - - link->dpcd_caps.psr_caps.alpm_cap = alpm_dpcd_data & DP_ALPM_CAP; - link->dpcd_caps.psr_caps.standby_support = alpm_dpcd_data & (1 << 1); - - link->dpcd_caps.psr_caps.su_y_granularity = su_granularity_dpcd_data; - } -#endif - return true; -} - #ifdef CONFIG_DRM_AMD_DC_DCN static bool link_supports_psrsu(struct dc_link *link) { @@ -82,12 +39,12 @@ static bool link_supports_psrsu(struct dc_link *link) if (dc->ctx->dce_version < DCN_VERSION_3_1) return false; - if (!link->dpcd_caps.psr_caps.alpm_cap || - !link->dpcd_caps.psr_caps.y_coordinate_required) + if (!link->dpcd_caps.alpm_caps.bits.AUX_WAKE_ALPM_CAP || + !link->dpcd_caps.psr_info.psr_dpcd_caps.bits.Y_COORDINATE_REQUIRED) return false; - if (link->dpcd_caps.psr_caps.su_granularity_required && - !link->dpcd_caps.psr_caps.su_y_granularity) + if (link->dpcd_caps.psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED && + !link->dpcd_caps.psr_info.psr2_su_y_granularity_cap) return false; return true; @@ -107,12 +64,7 @@ void amdgpu_dm_set_psr_caps(struct dc_link *link) if (link->type == dc_connection_none) return; - if (!link_get_psr_caps(link)) { - DRM_ERROR("amdgpu: Failed to read PSR Caps!\n"); - return; - } - - if (link->dpcd_caps.psr_caps.psr_version == 0) { + if (link->dpcd_caps.psr_info.psr_version == 0) { link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED; link->psr_settings.psr_feature_enabled = false; |