[PATCH 2/6] drm/i915/display: Replace intel_psr_enabled() calls by intel_crtc_state check

José Roberto de Souza jose.souza at intel.com
Sat Apr 17 02:09:55 UTC 2021


All of this places don't need to intel_psr_enabled() that will lock
psr mutex, check state and unlock.

Instead it can directly check PSR state in intel_crtc_state, the only
place that was not possible was intel_read_dp_vsc_sdp() but since
"drm/i915/display: Fill PSR state during hardware configuration read
out" it is possible.

Cc: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 5ee953aaa00c..72bcc10cae4f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2861,7 +2861,6 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder,
 			     const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	i915_reg_t reg = HSW_TVIDEO_DIP_CTL(crtc_state->cpu_transcoder);
 	u32 dip_enable = VIDEO_DIP_ENABLE_AVI_HSW | VIDEO_DIP_ENABLE_GCP_HSW |
 			 VIDEO_DIP_ENABLE_VS_HSW | VIDEO_DIP_ENABLE_GMP_HSW |
@@ -2870,7 +2869,7 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder,
 
 	/* TODO: Add DSC case (DIP_ENABLE_PPS) */
 	/* When PSR is enabled, this routine doesn't disable VSC DIP */
-	if (intel_psr_enabled(intel_dp))
+	if (crtc_state->has_psr)
 		val &= ~dip_enable;
 	else
 		val &= ~(dip_enable | VIDEO_DIP_ENABLE_VSC_HSW);
@@ -2885,7 +2884,7 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder,
 	intel_de_posting_read(dev_priv, reg);
 
 	/* When PSR is enabled, VSC SDP is handled by PSR routine */
-	if (!intel_psr_enabled(intel_dp))
+	if (!crtc_state->has_psr)
 		intel_write_dp_sdp(encoder, crtc_state, DP_SDP_VSC);
 
 	intel_write_dp_sdp(encoder, crtc_state, HDMI_PACKET_TYPE_GAMUT_METADATA);
@@ -3012,14 +3011,13 @@ static void intel_read_dp_vsc_sdp(struct intel_encoder *encoder,
 				  struct drm_dp_vsc_sdp *vsc)
 {
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
-	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	unsigned int type = DP_SDP_VSC;
 	struct dp_sdp sdp = {};
 	int ret;
 
 	/* When PSR is enabled, VSC SDP is handled by PSR routine */
-	if (intel_psr_enabled(intel_dp))
+	if (crtc_state->has_psr)
 		return;
 
 	if ((crtc_state->infoframes.enable &
-- 
2.31.1



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