diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_pm.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index f553e2173bda..16db85fab0b1 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -7,6 +7,7 @@ #include <linux/suspend.h> #include "i915_drv.h" +#include "i915_irq.h" #include "i915_params.h" #include "intel_context.h" #include "intel_engine_pm.h" @@ -19,10 +20,31 @@ #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(>->user_wakeref); @@ -70,6 +92,9 @@ 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 @@ -119,6 +144,9 @@ 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; } |