[PATCH v2 2/6] drm/i915: use INTEL_WAKEREF_DEF instead of magic -1 for intel_wakeref_t
Rodrigo Vivi
rodrigo.vivi at intel.com
Thu Sep 26 20:45:47 UTC 2024
On Wed, Sep 18, 2024 at 08:35:44PM +0300, Jani Nikula wrote:
> A number of places rely on the magic -1 to denote
> INTEL_WAKEREF_DEF. Switch to the macro. Define it for xe as well.
>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
> drivers/gpu/drm/i915/display/intel_display_power.h | 4 ++--
> drivers/gpu/drm/i915/intel_runtime_pm.c | 6 +++---
> drivers/gpu/drm/i915/intel_wakeref.h | 2 +-
> drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h | 7 ++++---
> drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h | 2 ++
> 6 files changed, 13 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index ecabb674644b..40727a22f18b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -895,7 +895,7 @@ intel_display_power_put_mask_in_set(struct drm_i915_private *i915,
> !bitmap_subset(mask->bits, power_domain_set->mask.bits, POWER_DOMAIN_NUM));
>
> for_each_power_domain(domain, mask) {
> - intel_wakeref_t __maybe_unused wf = -1;
> + intel_wakeref_t __maybe_unused wf = INTEL_WAKEREF_DEF;
>
> #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
> wf = fetch_and_zero(&power_domain_set->wakerefs[domain]);
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
> index 425452c5a469..3b7c1a0bb1de 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.h
> @@ -232,7 +232,7 @@ intel_display_power_put_async(struct drm_i915_private *i915,
> enum intel_display_power_domain domain,
> intel_wakeref_t wakeref)
> {
> - __intel_display_power_put_async(i915, domain, -1, -1);
> + __intel_display_power_put_async(i915, domain, INTEL_WAKEREF_DEF, -1);
> }
>
> static inline void
> @@ -241,7 +241,7 @@ intel_display_power_put_async_delay(struct drm_i915_private *i915,
> intel_wakeref_t wakeref,
> int delay_ms)
> {
> - __intel_display_power_put_async(i915, domain, -1, delay_ms);
> + __intel_display_power_put_async(i915, domain, INTEL_WAKEREF_DEF, delay_ms);
> }
> #endif
>
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 2d0647aca964..a21f5a1c89bc 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -66,7 +66,7 @@ static intel_wakeref_t
> track_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
> {
> if (!rpm->available || rpm->no_wakeref_tracking)
> - return -1;
> + return INTEL_WAKEREF_DEF;
>
> return intel_ref_tracker_alloc(&rpm->debug);
> }
> @@ -114,7 +114,7 @@ static void init_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
> static intel_wakeref_t
> track_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
> {
> - return -1;
> + return INTEL_WAKEREF_DEF;
> }
>
> static void untrack_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm,
> @@ -336,7 +336,7 @@ intel_runtime_pm_put_raw(struct intel_runtime_pm *rpm, intel_wakeref_t wref)
> */
> void intel_runtime_pm_put_unchecked(struct intel_runtime_pm *rpm)
> {
> - __intel_runtime_pm_put(rpm, -1, true);
> + __intel_runtime_pm_put(rpm, INTEL_WAKEREF_DEF, true);
> }
>
> #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
> diff --git a/drivers/gpu/drm/i915/intel_wakeref.h b/drivers/gpu/drm/i915/intel_wakeref.h
> index 68aa3be48251..3944587a5e78 100644
> --- a/drivers/gpu/drm/i915/intel_wakeref.h
> +++ b/drivers/gpu/drm/i915/intel_wakeref.h
> @@ -314,7 +314,7 @@ static inline void intel_wakeref_untrack(struct intel_wakeref *wf,
>
> static inline intel_wakeref_t intel_wakeref_track(struct intel_wakeref *wf)
> {
> - return -1;
> + return INTEL_WAKEREF_DEF;
> }
>
> static inline void intel_wakeref_untrack(struct intel_wakeref *wf,
> diff --git a/drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h b/drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h
> index 8c7b315aa8ac..380d25428bdb 100644
> --- a/drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h
> +++ b/drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h
> @@ -24,14 +24,14 @@ static inline intel_wakeref_t intel_runtime_pm_get(struct xe_runtime_pm *pm)
> {
> struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
>
> - return xe_pm_runtime_resume_and_get(xe);
> + return xe_pm_runtime_resume_and_get(xe) ? INTEL_WAKEREF_DEF : 0;
> }
>
> static inline intel_wakeref_t intel_runtime_pm_get_if_in_use(struct xe_runtime_pm *pm)
> {
> struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
>
> - return xe_pm_runtime_get_if_in_use(xe);
> + return xe_pm_runtime_get_if_in_use(xe) ? INTEL_WAKEREF_DEF : 0;
> }
>
> static inline intel_wakeref_t intel_runtime_pm_get_noresume(struct xe_runtime_pm *pm)
> @@ -39,7 +39,8 @@ static inline intel_wakeref_t intel_runtime_pm_get_noresume(struct xe_runtime_pm
> struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
>
> xe_pm_runtime_get_noresume(xe);
> - return true;
> +
> + return INTEL_WAKEREF_DEF;
oh! for some reason I thought we were redefining the intel_wakeref_t to bool
here in Xe...
> }
>
> static inline void intel_runtime_pm_put_unchecked(struct xe_runtime_pm *pm)
> diff --git a/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h b/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h
> index ecb1c0707706..5c139ba144a6 100644
> --- a/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h
> +++ b/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h
> @@ -6,3 +6,5 @@
> #include <linux/types.h>
>
> typedef unsigned long intel_wakeref_t;
but apparently not, but we were lucky!
this definition brings more clarity indeed.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> +
> +#define INTEL_WAKEREF_DEF ((intel_wakeref_t)(-1))
> --
> 2.39.2
>
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