[PATCH 1/2] Revert "drm/i915/mtl: Add Wa_14017073508 for SAMedia"

[Badal Nilawar <badal.nilawar@xxxxxxxxx>]

This reverts commit 8f70f1ec587da0b0d52d768fd8c3defbc5e5b55c.

Signed-off-by: Badal Nilawar <badal.nilawar@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_gt_pm.c     | 27 -----------------------
 drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c | 13 +----------
 drivers/gpu/drm/i915/i915_reg.h           |  9 --------
 3 files changed, 1 insertion(+), 48 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 85ae7dc079f2..e02cb90723ae 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -20,31 +20,10 @@
 #include "intel_rc6.h"
 #include "intel_rps.h"
 #include "intel_wakeref.h"
-#include "intel_pcode.h"
 #include "pxp/intel_pxp_pm.h"
 
 #define I915_GT_SUSPEND_IDLE_TIMEOUT (HZ / 2)
 
-static void mtl_media_busy(struct intel_gt *gt)
-{
-	/* Wa_14017073508: mtl */
-	if (IS_MTL_GRAPHICS_STEP(gt->i915, P, STEP_A0, STEP_B0) &&
-	    gt->type == GT_MEDIA)
-		snb_pcode_write_p(gt->uncore, PCODE_MBOX_GT_STATE,
-				  PCODE_MBOX_GT_STATE_MEDIA_BUSY,
-				  PCODE_MBOX_GT_STATE_DOMAIN_MEDIA, 0);
-}
-
-static void mtl_media_idle(struct intel_gt *gt)
-{
-	/* Wa_14017073508: mtl */
-	if (IS_MTL_GRAPHICS_STEP(gt->i915, P, STEP_A0, STEP_B0) &&
-	    gt->type == GT_MEDIA)
-		snb_pcode_write_p(gt->uncore, PCODE_MBOX_GT_STATE,
-				  PCODE_MBOX_GT_STATE_MEDIA_NOT_BUSY,
-				  PCODE_MBOX_GT_STATE_DOMAIN_MEDIA, 0);
-}
-
 static void user_forcewake(struct intel_gt *gt, bool suspend)
 {
 	int count = atomic_read(&gt->user_wakeref);
@@ -92,9 +71,6 @@ static int __gt_unpark(struct intel_wakeref *wf)
 
 	GT_TRACE(gt, "\n");
 
-	/* Wa_14017073508: mtl */
-	mtl_media_busy(gt);
-
 	/*
 	 * It seems that the DMC likes to transition between the DC states a lot
 	 * when there are no connected displays (no active power domains) during
@@ -144,9 +120,6 @@ static int __gt_park(struct intel_wakeref *wf)
 	GEM_BUG_ON(!wakeref);
 	intel_display_power_put_async(i915, POWER_DOMAIN_GT_IRQ, wakeref);
 
-	/* Wa_14017073508: mtl */
-	mtl_media_idle(gt);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c
index fcf51614f9a4..1adec6de223c 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c
@@ -12,20 +12,9 @@
 
 static bool __guc_rc_supported(struct intel_guc *guc)
 {
-	struct intel_gt *gt = guc_to_gt(guc);
-
-	/*
-	 * Wa_14017073508: mtl
-	 * Do not enable gucrc to avoid additional interrupts which
-	 * may disrupt pcode wa.
-	 */
-	if (IS_MTL_GRAPHICS_STEP(gt->i915, P, STEP_A0, STEP_B0) &&
-	    gt->type == GT_MEDIA)
-		return false;
-
 	/* GuC RC is unavailable for pre-Gen12 */
 	return guc->submission_supported &&
-		GRAPHICS_VER(gt->i915) >= 12;
+		GRAPHICS_VER(guc_to_gt(guc)->i915) >= 12;
 }
 
 static bool __guc_rc_selected(struct intel_guc *guc)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f2ce4bde6a68..b177cdeee1ec 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6469,15 +6469,6 @@
 /*   XEHP_PCODE_FREQUENCY_CONFIG param2 */
 #define     PCODE_MBOX_DOMAIN_NONE		0x0
 #define     PCODE_MBOX_DOMAIN_MEDIAFF		0x3
-
-/* Wa_14017210380: mtl */
-#define   PCODE_MBOX_GT_STATE			0x50
-/* sub-commands (param1) */
-#define     PCODE_MBOX_GT_STATE_MEDIA_BUSY	0x1
-#define     PCODE_MBOX_GT_STATE_MEDIA_NOT_BUSY	0x2
-/* param2 */
-#define     PCODE_MBOX_GT_STATE_DOMAIN_MEDIA	0x1
-
 #define GEN6_PCODE_DATA				_MMIO(0x138128)
 #define   GEN6_PCODE_FREQ_IA_RATIO_SHIFT	8
 #define   GEN6_PCODE_FREQ_RING_RATIO_SHIFT	16
-- 
2.25.1