#include <drm/drm_atomic_helper.h>
#include <drm/drm_damage_helper.h>
+#include <drm/drm_debugfs.h>
#include "i915_drv.h"
#include "i915_reg.h"
};
const char *str;
int ret;
- u8 val;
+ u8 status, error_status;
if (!CAN_PSR(intel_dp)) {
seq_puts(m, "PSR Unsupported\n");
if (connector->base.status != connector_status_connected)
return -ENODEV;
- ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
- if (ret != 1)
- return ret < 0 ? ret : -EIO;
+ ret = psr_get_status_and_error_status(intel_dp, &status, &error_status);
+ if (ret)
+ return ret;
- val &= DP_PSR_SINK_STATE_MASK;
- if (val < ARRAY_SIZE(sink_status))
- str = sink_status[val];
+ status &= DP_PSR_SINK_STATE_MASK;
+ if (status < ARRAY_SIZE(sink_status))
+ str = sink_status[status];
else
str = "unknown";
- seq_printf(m, "Sink PSR status: 0x%x [%s]\n", val, str);
+ seq_printf(m, "Sink PSR status: 0x%x [%s]\n", status, str);
- return 0;
+ seq_printf(m, "Sink PSR error status: 0x%x", error_status);
+
+ if (error_status & (DP_PSR_RFB_STORAGE_ERROR |
+ DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR |
+ DP_PSR_LINK_CRC_ERROR))
+ seq_puts(m, ":\n");
+ else
+ seq_puts(m, "\n");
+ if (error_status & DP_PSR_RFB_STORAGE_ERROR)
+ seq_puts(m, "\tPSR RFB storage error\n");
+ if (error_status & DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR)
+ seq_puts(m, "\tPSR VSC SDP uncorrectable error\n");
+ if (error_status & DP_PSR_LINK_CRC_ERROR)
+ seq_puts(m, "\tPSR Link CRC error\n");
+
+ return ret;
}
DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);