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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
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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.c58
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;