diff mbox series

[27/31,SRU,OEM-5.6] drm/i915/gen11: Add additional pcode status values

Message ID 20200814065740.276039-28-vicamo.yang@canonical.com
State New
Headers show
Series Add TGL+ SAGV display support | expand

Commit Message

You-Sheng Yang Aug. 14, 2020, 6:57 a.m. UTC 
From: Matt Roper <matthew.d.roper@intel.com>

BugLink: https://bugs.launchpad.net/bugs/1891451

I don't think we've ever hit these new error codes, but they're
documented in the gen11 pcode document, so we might as well add them to
the handler.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200111014511.2988923-1-matthew.d.roper@intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit f22fd334890e0e24305aaa7249ff56baba082eca)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/gpu/drm/i915/i915_reg.h       | 2 ++
 drivers/gpu/drm/i915/intel_sideband.c | 4 ++++
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 3386a0fa414b..e1e18049e652 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9097,6 +9097,8 @@  enum {
 #define     GEN6_PCODE_UNIMPLEMENTED_CMD	0xFF
 #define     GEN7_PCODE_TIMEOUT			0x2
 #define     GEN7_PCODE_ILLEGAL_DATA		0x3
+#define     GEN11_PCODE_ILLEGAL_SUBCOMMAND	0x4
+#define     GEN11_PCODE_LOCKED			0x6
 #define     GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x10
 #define   GEN6_PCODE_WRITE_RC6VIDS		0x4
 #define   GEN6_PCODE_READ_RC6VIDS		0x5
diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
index cbfb7171d62d..3361fdc41ee1 100644
--- a/drivers/gpu/drm/i915/intel_sideband.c
+++ b/drivers/gpu/drm/i915/intel_sideband.c
@@ -365,6 +365,10 @@  static inline int gen7_check_mailbox_status(u32 mbox)
 		return -ETIMEDOUT;
 	case GEN7_PCODE_ILLEGAL_DATA:
 		return -EINVAL;
+	case GEN11_PCODE_ILLEGAL_SUBCOMMAND:
+		return -ENXIO;
+	case GEN11_PCODE_LOCKED:
+		return -EBUSY;
 	case GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE:
 		return -EOVERFLOW;
 	default: