diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.h | 3 |
5 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ec2a094f362..fd2aa15ce02 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2062,6 +2062,7 @@ struct drm_i915_cmd_table { #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws) #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6) +#define HAS_LOGICAL_RING_CONTEXTS(dev) 0 #define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6) #define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_GEN8(dev)) #define USES_PPGTT(dev) (i915.enable_ppgtt) @@ -2149,6 +2150,7 @@ struct i915_params { int enable_rc6; int enable_fbc; int enable_ppgtt; + int enable_execlists; int enable_psr; unsigned int preliminary_hw_support; int disable_power_well; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 3eec344bdac..5646e9ba638 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4723,6 +4723,9 @@ int i915_gem_init(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int ret; + i915.enable_execlists = intel_sanitize_enable_execlists(dev, + i915.enable_execlists); + mutex_lock(&dev->struct_mutex); if (IS_VALLEYVIEW(dev)) { diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 62ee8308d68..f7f8350c379 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -35,6 +35,7 @@ struct i915_params i915 __read_mostly = { .vbt_sdvo_panel_type = -1, .enable_rc6 = -1, .enable_fbc = -1, + .enable_execlists = -1, .enable_hangcheck = true, .enable_ppgtt = -1, .enable_psr = 1, @@ -118,6 +119,11 @@ MODULE_PARM_DESC(enable_ppgtt, "Override PPGTT usage. " "(-1=auto [default], 0=disabled, 1=aliasing, 2=full)"); +module_param_named(enable_execlists, i915.enable_execlists, int, 0400); +MODULE_PARM_DESC(enable_execlists, + "Override execlists usage. " + "(-1=auto [default], 0=disabled, 1=enabled)"); + module_param_named(enable_psr, i915.enable_psr, int, 0600); MODULE_PARM_DESC(enable_psr, "Enable PSR (default: true)"); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 49bb6fcdfac..21f7f1cce86 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -40,3 +40,14 @@ #include <drm/drmP.h> #include <drm/i915_drm.h> #include "i915_drv.h" + +int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists) +{ + if (enable_execlists == 0) + return 0; + + if (HAS_LOGICAL_RING_CONTEXTS(dev) && USES_PPGTT(dev)) + return 1; + + return 0; +} diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h index f6830a4ec77..75ee9c3cb7d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.h +++ b/drivers/gpu/drm/i915/intel_lrc.h @@ -24,4 +24,7 @@ #ifndef _INTEL_LRC_H_ #define _INTEL_LRC_H_ +/* Execlists */ +int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists); + #endif /* _INTEL_LRC_H_ */ |