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path: root/drivers/gpu/drm/i915/display/intel_psr.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_psr.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 41988e193a41..179b7d27eb4c 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -600,6 +600,20 @@ exit:
static void _panel_replay_init_dpcd(struct intel_dp *intel_dp)
{
struct intel_display *display = to_intel_display(intel_dp);
+ int ret;
+
+ /* TODO: Enable Panel Replay on MST once it's properly implemented. */
+ if (intel_dp->mst_detect == DRM_DP_MST)
+ return;
+
+ ret = drm_dp_dpcd_read_data(&intel_dp->aux, DP_PANEL_REPLAY_CAP_SUPPORT,
+ &intel_dp->pr_dpcd, sizeof(intel_dp->pr_dpcd));
+ if (ret < 0)
+ return;
+
+ if (!(intel_dp->pr_dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)] &
+ DP_PANEL_REPLAY_SUPPORT))
+ return;
if (intel_dp_is_edp(intel_dp)) {
if (!intel_alpm_aux_less_wake_supported(intel_dp)) {
@@ -631,6 +645,15 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp)
static void _psr_init_dpcd(struct intel_dp *intel_dp)
{
struct intel_display *display = to_intel_display(intel_dp);
+ int ret;
+
+ ret = drm_dp_dpcd_read_data(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
+ sizeof(intel_dp->psr_dpcd));
+ if (ret < 0)
+ return;
+
+ if (!intel_dp->psr_dpcd[0])
+ return;
drm_dbg_kms(display->drm, "eDP panel supports PSR version %x\n",
intel_dp->psr_dpcd[0]);
@@ -676,18 +699,9 @@ static void _psr_init_dpcd(struct intel_dp *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));
-
- drm_dp_dpcd_read(&intel_dp->aux, DP_PANEL_REPLAY_CAP_SUPPORT,
- &intel_dp->pr_dpcd, sizeof(intel_dp->pr_dpcd));
-
- if (intel_dp->pr_dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)] &
- DP_PANEL_REPLAY_SUPPORT)
- _panel_replay_init_dpcd(intel_dp);
+ _psr_init_dpcd(intel_dp);
- if (intel_dp->psr_dpcd[0])
- _psr_init_dpcd(intel_dp);
+ _panel_replay_init_dpcd(intel_dp);
if (intel_dp->psr.sink_psr2_support ||
intel_dp->psr.sink_panel_replay_su_support)
@@ -896,7 +910,8 @@ static bool is_dc5_dc6_blocked(struct intel_dp *intel_dp)
{
struct intel_display *display = to_intel_display(intel_dp);
u32 current_dc_state = intel_display_power_get_current_dc_state(display);
- struct drm_vblank_crtc *vblank = &display->drm->vblank[intel_dp->psr.pipe];
+ struct intel_crtc *crtc = intel_crtc_for_pipe(display, intel_dp->psr.pipe);
+ struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(&crtc->base);
return (current_dc_state != DC_STATE_EN_UPTO_DC5 &&
current_dc_state != DC_STATE_EN_UPTO_DC6) ||