drm/i915: Drop unused struct_mutex from drm_i915_private

The struct_mutex field in drm_i915_private is no longer used anywhere in
the driver. This patch removes it completely to clean up unused code and
avoid confusion.

Signed-off-by: Luiz Otavio Mello <luiz.mello@estudante.ufscar.br>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250908131518.36625-9-luiz.mello@estudante.ufscar.br
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 2677c39a32467bf85268db4fe0f28b6c3b57aafd..a28c3710c4d50c6012413eb4f4c70b48d751cb3a 100644 (file)
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -235,7 +235,6 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv)
 
        intel_sbi_init(display);
        vlv_iosf_sb_init(dev_priv);
-       mutex_init(&dev_priv->struct_mutex);
        mutex_init(&dev_priv->sb_lock);
 
        i915_memcpy_init_early(dev_priv);
@@ -294,7 +293,6 @@ static void i915_driver_late_release(struct drm_i915_private *dev_priv)
        i915_workqueues_cleanup(dev_priv);
 
        mutex_destroy(&dev_priv->sb_lock);
-       mutex_destroy(&dev_priv->struct_mutex);
        vlv_iosf_sb_fini(dev_priv);
        intel_sbi_fini(display);
 

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 50fdecb79b492e52390632a7e67aba92cd164656..7de68ebc2beb3094568c3c2ea0c82da4318c814a 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -223,14 +223,6 @@ struct drm_i915_private {
 
        bool irqs_enabled;
 
-       /*
-        * Currently, struct_mutex is only used by the i915 driver as a replacement
-        * for BKL.
-        *
-        * For this reason, it is no longer part of struct drm_device.
-        */
-       struct mutex struct_mutex;
-
        /* LPT/WPT IOSF sideband protection */
        struct mutex sbi_lock;