diff mbox series

[7/7] drm/i915: Allow configuring default request expiry via modparam

Message ID 20210324121335.2307063-8-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series Default request/fence expiry + watchdog | expand

Commit Message

Tvrtko Ursulin March 24, 2021, 12:13 p.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Module parameter is added (request_timeout_ms) to allow configuring the
default request/fence expiry.

Default value is inherited from CONFIG_DRM_I915_REQUEST_TIMEOUT.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/gpu/drm/i915/gem/i915_gem_context.c | 5 +++--
 drivers/gpu/drm/i915/i915_params.c          | 5 +++++
 drivers/gpu/drm/i915/i915_params.h          | 1 +
 3 files changed, 9 insertions(+), 2 deletions(-)

Comments

Daniel Vetter March 26, 2021, 12:25 a.m. UTC | #1 
On Wed, Mar 24, 2021 at 12:13:35PM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> 
> Module parameter is added (request_timeout_ms) to allow configuring the
> default request/fence expiry.
> 
> Default value is inherited from CONFIG_DRM_I915_REQUEST_TIMEOUT.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Entire series merged, thanks for the patches.
-Daniel

> ---
>  drivers/gpu/drm/i915/gem/i915_gem_context.c | 5 +++--
>  drivers/gpu/drm/i915/i915_params.c          | 5 +++++
>  drivers/gpu/drm/i915/i915_params.h          | 1 +
>  3 files changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
> index 33ff1a6a7724..0e8f0476e01f 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
> @@ -845,11 +845,12 @@ static void __set_default_fence_expiry(struct i915_gem_context *ctx)
>  	struct drm_i915_private *i915 = ctx->i915;
>  	int ret;
>  
> -	if (!IS_ACTIVE(CONFIG_DRM_I915_REQUEST_TIMEOUT))
> +	if (!IS_ACTIVE(CONFIG_DRM_I915_REQUEST_TIMEOUT) ||
> +	    !i915->params.request_timeout_ms)
>  		return;
>  
>  	/* Default expiry for user fences. */
> -	ret = __set_watchdog(ctx, CONFIG_DRM_I915_REQUEST_TIMEOUT * 1000);
> +	ret = __set_watchdog(ctx, i915->params.request_timeout_ms * 1000);
>  	if (ret)
>  		drm_notice(&i915->drm,
>  			   "Failed to configure default fence expiry! (%d)",
> diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
> index 6939634e56ed..0320878d96b0 100644
> --- a/drivers/gpu/drm/i915/i915_params.c
> +++ b/drivers/gpu/drm/i915/i915_params.c
> @@ -197,6 +197,11 @@ i915_param_named_unsafe(fake_lmem_start, ulong, 0400,
>  	"Fake LMEM start offset (default: 0)");
>  #endif
>  
> +#if CONFIG_DRM_I915_REQUEST_TIMEOUT
> +i915_param_named_unsafe(request_timeout_ms, uint, 0600,
> +			"Default request/fence/batch buffer expiration timeout.");
> +#endif
> +
>  static __always_inline void _print_param(struct drm_printer *p,
>  					 const char *name,
>  					 const char *type,
> diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
> index 48f47e44e848..34ebb0662547 100644
> --- a/drivers/gpu/drm/i915/i915_params.h
> +++ b/drivers/gpu/drm/i915/i915_params.h
> @@ -72,6 +72,7 @@ struct drm_printer;
>  	param(int, enable_dpcd_backlight, -1, 0600) \
>  	param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \
>  	param(unsigned long, fake_lmem_start, 0, 0400) \
> +	param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, 0600) \
>  	/* leave bools at the end to not create holes */ \
>  	param(bool, enable_hangcheck, true, 0600) \
>  	param(bool, load_detect_test, false, 0600) \
> -- 
> 2.27.0
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 33ff1a6a7724..0e8f0476e01f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -845,11 +845,12 @@  static void __set_default_fence_expiry(struct i915_gem_context *ctx)
 	struct drm_i915_private *i915 = ctx->i915;
 	int ret;
 
-	if (!IS_ACTIVE(CONFIG_DRM_I915_REQUEST_TIMEOUT))
+	if (!IS_ACTIVE(CONFIG_DRM_I915_REQUEST_TIMEOUT) ||
+	    !i915->params.request_timeout_ms)
 		return;
 
 	/* Default expiry for user fences. */
-	ret = __set_watchdog(ctx, CONFIG_DRM_I915_REQUEST_TIMEOUT * 1000);
+	ret = __set_watchdog(ctx, i915->params.request_timeout_ms * 1000);
 	if (ret)
 		drm_notice(&i915->drm,
 			   "Failed to configure default fence expiry! (%d)",
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 6939634e56ed..0320878d96b0 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -197,6 +197,11 @@  i915_param_named_unsafe(fake_lmem_start, ulong, 0400,
 	"Fake LMEM start offset (default: 0)");
 #endif
 
+#if CONFIG_DRM_I915_REQUEST_TIMEOUT
+i915_param_named_unsafe(request_timeout_ms, uint, 0600,
+			"Default request/fence/batch buffer expiration timeout.");
+#endif
+
 static __always_inline void _print_param(struct drm_printer *p,
 					 const char *name,
 					 const char *type,
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index 48f47e44e848..34ebb0662547 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -72,6 +72,7 @@  struct drm_printer;
 	param(int, enable_dpcd_backlight, -1, 0600) \
 	param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \
 	param(unsigned long, fake_lmem_start, 0, 0400) \
+	param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, 0600) \
 	/* leave bools at the end to not create holes */ \
 	param(bool, enable_hangcheck, true, 0600) \
 	param(bool, load_detect_test, false, 0600) \