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drm/i915/guc: general tidying up (loader)

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Renaming to more consistent scheme, delete unused definitions

Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1473711577-11454-3-git-send-email-david.s.gordon@intel.com
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Dave Gordon 2016-09-12 21:19:36 +01:00 committed by Chris Wilson
parent b20e3cfe4b
commit 0c5664e417
2 changed files with 16 additions and 14 deletions
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3
drivers/gpu/drm/i915/i915_guc_reg.h
View file

@ -103,9 +103,6 @@
#define HOST2GUC_INTERRUPT _MMIO(0xc4c8)
#define HOST2GUC_TRIGGER (1<<0)
#define DRBMISC1 0x1984
#define DOORBELL_ENABLE (1<<0)
#define GEN8_DRBREGL(x) _MMIO(0x1000 + (x) * 8)
#define GEN8_DRB_VALID (1<<0)
#define GEN8_DRBREGU(x) _MMIO(0x1000 + (x) * 8 + 4)

27
drivers/gpu/drm/i915/intel_guc_loader.c
View file

@ -97,7 +97,7 @@ const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status)
}
};
static void direct_interrupts_to_host(struct drm_i915_private *dev_priv)
static void guc_interrupts_release(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *engine;
int irqs;
@ -114,7 +114,7 @@ static void direct_interrupts_to_host(struct drm_i915_private *dev_priv)
I915_WRITE(GUC_WD_VECS_IER, 0);
}
static void direct_interrupts_to_guc(struct drm_i915_private *dev_priv)
static void guc_interrupts_capture(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *engine;
int irqs;
@ -179,7 +179,12 @@ static u32 get_core_family(struct drm_i915_private *dev_priv)
}
}
static void set_guc_init_params(struct drm_i915_private *dev_priv)
/*
* Initialise the GuC parameter block before starting the firmware
* transfer. These parameters are read by the firmware on startup
* and cannot be changed thereafter.
*/
static void guc_params_init(struct drm_i915_private *dev_priv)
{
struct intel_guc *guc = &dev_priv->guc;
u32 params[GUC_CTL_MAX_DWORDS];
@ -392,11 +397,11 @@ static int guc_ucode_xfer(struct drm_i915_private *dev_priv)
I915_WRITE(GEN7_MISCCPCTL, (GEN8_DOP_CLOCK_GATE_GUC_ENABLE |
I915_READ(GEN7_MISCCPCTL)));
/* allows for 5us before GT can go to RC6 */
/* allows for 5us (in 10ns units) before GT can go to RC6 */
I915_WRITE(GUC_ARAT_C6DIS, 0x1FF);
}
set_guc_init_params(dev_priv);
guc_params_init(dev_priv);
ret = guc_ucode_xfer_dma(dev_priv, vma);
@ -411,7 +416,7 @@ static int guc_ucode_xfer(struct drm_i915_private *dev_priv)
return ret;
}
static int i915_reset_guc(struct drm_i915_private *dev_priv)
static int guc_hw_reset(struct drm_i915_private *dev_priv)
{
int ret;
u32 guc_status;
@ -478,7 +483,7 @@ int intel_guc_setup(struct drm_device *dev)
goto fail;
}
direct_interrupts_to_host(dev_priv);
guc_interrupts_release(dev_priv);
guc_fw->guc_fw_load_status = GUC_FIRMWARE_PENDING;
@ -501,7 +506,7 @@ int intel_guc_setup(struct drm_device *dev)
* Always reset the GuC just before (re)loading, so
* that the state and timing are fairly predictable
*/
err = i915_reset_guc(dev_priv);
err = guc_hw_reset(dev_priv);
if (err)
goto fail;
@ -526,7 +531,7 @@ int intel_guc_setup(struct drm_device *dev)
err = i915_guc_submission_enable(dev_priv);
if (err)
goto fail;
direct_interrupts_to_guc(dev_priv);
guc_interrupts_capture(dev_priv);
}
return 0;
@ -535,7 +540,7 @@ int intel_guc_setup(struct drm_device *dev)
if (guc_fw->guc_fw_load_status == GUC_FIRMWARE_PENDING)
guc_fw->guc_fw_load_status = GUC_FIRMWARE_FAIL;
direct_interrupts_to_host(dev_priv);
guc_interrupts_release(dev_priv);
i915_guc_submission_disable(dev_priv);
i915_guc_submission_fini(dev_priv);
@ -768,7 +773,7 @@ void intel_guc_fini(struct drm_device *dev)
struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
mutex_lock(&dev->struct_mutex);
direct_interrupts_to_host(dev_priv);
guc_interrupts_release(dev_priv);
i915_guc_submission_disable(dev_priv);
i915_guc_submission_fini(dev_priv);