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drm/i915/icl: Enable media sampler powergate

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Enable media sampler powergate as recommended.

v2: use REG_BIT (Chris)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190410105923.18546-3-mika.kuoppala@linux.intel.com
This commit is contained in:
Mika Kuoppala 2019-04-10 13:59:19 +03:00 committed by Chris Wilson
parent d105e9ad54
commit 2ea7414159
2 changed files with 6 additions and 3 deletions
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5
drivers/gpu/drm/i915/i915_reg.h
View File

@ -8687,8 +8687,9 @@ enum {
#define GEN9_MEDIA_PG_IDLE_HYSTERESIS _MMIO(0xA0C4)
#define GEN9_RENDER_PG_IDLE_HYSTERESIS _MMIO(0xA0C8)
#define GEN9_PG_ENABLE _MMIO(0xA210)
#define GEN9_RENDER_PG_ENABLE (1 << 0)
#define GEN9_MEDIA_PG_ENABLE (1 << 1)
#define GEN9_RENDER_PG_ENABLE REG_BIT(0)
#define GEN9_MEDIA_PG_ENABLE REG_BIT(1)
#define GEN11_MEDIA_SAMPLER_PG_ENABLE REG_BIT(2)
#define GEN8_PUSHBUS_CONTROL _MMIO(0xA248)
#define GEN8_PUSHBUS_ENABLE _MMIO(0xA250)
#define GEN8_PUSHBUS_SHIFT _MMIO(0xA25C)

4
drivers/gpu/drm/i915/intel_pm.c
View File

@ -7185,7 +7185,9 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv)
/* 3b: Enable Coarse Power Gating only when RC6 is enabled. */
I915_WRITE(GEN9_PG_ENABLE,
GEN9_RENDER_PG_ENABLE | GEN9_MEDIA_PG_ENABLE);
GEN9_RENDER_PG_ENABLE |
GEN9_MEDIA_PG_ENABLE |
GEN11_MEDIA_SAMPLER_PG_ENABLE);
intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
}