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-rw-r--r--drivers/gpu/drm/i915/display/intel_display_types.h1
-rw-r--r--drivers/gpu/drm/i915/display/intel_psr.c8
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index f3acc5a3c814..29663db5afcd 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1430,6 +1430,7 @@ struct intel_psr {
#define I915_PSR_DEBUG_DISABLE 0x01
#define I915_PSR_DEBUG_ENABLE 0x02
#define I915_PSR_DEBUG_FORCE_PSR1 0x03
+#define I915_PSR_DEBUG_ENABLE_SEL_FETCH 0x4
#define I915_PSR_DEBUG_IRQ 0x10
u32 debug;
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index bf214d0e2dec..43e9e362382b 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -684,7 +684,8 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp,
struct intel_plane *plane;
int i;
- if (!dev_priv->params.enable_psr2_sel_fetch) {
+ if (!dev_priv->params.enable_psr2_sel_fetch &&
+ intel_dp->psr.debug != I915_PSR_DEBUG_ENABLE_SEL_FETCH) {
drm_dbg_kms(&dev_priv->drm,
"PSR2 sel fetch not enabled, disabled by parameter\n");
return false;
@@ -1448,7 +1449,8 @@ void intel_psr_update(struct intel_dp *intel_dp,
enable = crtc_state->has_psr;
psr2_enable = crtc_state->has_psr2;
- if (enable == psr->enabled && psr2_enable == psr->psr2_enabled) {
+ if (enable == psr->enabled && psr2_enable == psr->psr2_enabled &&
+ crtc_state->enable_psr2_sel_fetch == psr->psr2_sel_fetch_enabled) {
/* Force a PSR exit when enabling CRC to avoid CRC timeouts */
if (crtc_state->crc_enabled && psr->enabled)
psr_force_hw_tracking_exit(intel_dp);
@@ -1637,7 +1639,7 @@ int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val)
int ret;
if (val & ~(I915_PSR_DEBUG_IRQ | I915_PSR_DEBUG_MODE_MASK) ||
- mode > I915_PSR_DEBUG_FORCE_PSR1) {
+ mode > I915_PSR_DEBUG_ENABLE_SEL_FETCH) {
drm_dbg_kms(&dev_priv->drm, "Invalid debug mask %llx\n", val);
return -EINVAL;
}