diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2023-11-08 12:52:59 +0530 |
|---|---|---|
| committer | Animesh Manna <animesh.manna@intel.com> | 2023-11-10 13:46:53 +0530 |
| commit | dd8f2298e34bf64f07ad5ff27c5964994783e7a7 (patch) | |
| tree | 29f1a6e225cd7ac4feeb40d82aa16bb83057de47 /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | 48d054c2d34cdc67acb8cc9cfac326d91f1470ed (diff) | |
drm/i915/psr: Move psr specific dpcd init into own function
This patch is preparing adding panel replay specific dpcd init.
Cc: Arun R Murthy <arun.r.murthy@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108072303.3414118-3-animesh.manna@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 3691f882e1c0..627d82164933 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -475,27 +475,22 @@ exit: intel_dp->psr.su_y_granularity = y; } -void intel_psr_init_dpcd(struct intel_dp *intel_dp) +static void _psr_init_dpcd(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = + struct drm_i915_private *i915 = to_i915(dp_to_dig_port(intel_dp)->base.base.dev); - drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, - sizeof(intel_dp->psr_dpcd)); - - if (!intel_dp->psr_dpcd[0]) - return; - drm_dbg_kms(&dev_priv->drm, "eDP panel supports PSR version %x\n", + drm_dbg_kms(&i915->drm, "eDP panel supports PSR version %x\n", intel_dp->psr_dpcd[0]); if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_PSR)) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(&i915->drm, "PSR support not currently available for this panel\n"); return; } if (!(intel_dp->edp_dpcd[1] & DP_EDP_SET_POWER_CAP)) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(&i915->drm, "Panel lacks power state control, PSR cannot be enabled\n"); return; } @@ -504,8 +499,8 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) intel_dp->psr.sink_sync_latency = intel_dp_get_sink_sync_latency(intel_dp); - if (DISPLAY_VER(dev_priv) >= 9 && - (intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)) { + if (DISPLAY_VER(i915) >= 9 && + intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) { bool y_req = intel_dp->psr_dpcd[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED; bool alpm = intel_dp_get_alpm_status(intel_dp); @@ -522,14 +517,24 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) * GTC first. */ intel_dp->psr.sink_psr2_support = y_req && alpm; - drm_dbg_kms(&dev_priv->drm, "PSR2 %ssupported\n", + drm_dbg_kms(&i915->drm, "PSR2 %ssupported\n", intel_dp->psr.sink_psr2_support ? "" : "not "); + } +} - if (intel_dp->psr.sink_psr2_support) { - intel_dp->psr.colorimetry_support = - intel_dp_get_colorimetry_status(intel_dp); - intel_dp_get_su_granularity(intel_dp); - } +void intel_psr_init_dpcd(struct intel_dp *intel_dp) +{ + drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, + sizeof(intel_dp->psr_dpcd)); + + if (intel_dp->psr_dpcd[0]) + _psr_init_dpcd(intel_dp); + /* TODO: Add PR case here */ + + if (intel_dp->psr.sink_psr2_support) { + intel_dp->psr.colorimetry_support = + intel_dp_get_colorimetry_status(intel_dp); + intel_dp_get_su_granularity(intel_dp); } } |