drm/i915/gen9: Use dev_priv in csr functions

As all csr firmware related opertion are not using any
any data structures of drm framework level, so better to
use dev_priv instead of dev. it's a new style! :)

Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Tested-by: Daniel Stone <daniels@collabora.com> # SKL
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446069547-24760-9-git-send-email-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 76a53e8..66e6a1f 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -426,7 +426,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
        intel_power_domains_init_hw(dev_priv);
 
-       intel_csr_ucode_init(dev);
+       intel_csr_ucode_init(dev_priv);
 
        ret = intel_irq_install(dev_priv);
        if (ret)
@@ -1145,7 +1145,7 @@ out_mtrrfree:
 out_gtt:
        i915_global_gtt_cleanup(dev);
 out_freecsr:
-       intel_csr_ucode_fini(dev);
+       intel_csr_ucode_fini(dev_priv);
        intel_uncore_fini(dev);
        pci_iounmap(dev->pdev, dev_priv->regs);
 put_bridge:
@@ -1228,7 +1228,7 @@ int i915_driver_unload(struct drm_device *dev)
        intel_fbc_cleanup_cfb(dev_priv);
        i915_gem_cleanup_stolen(dev);
 
-       intel_csr_ucode_fini(dev);
+       intel_csr_ucode_fini(dev_priv);
 
        intel_teardown_gmbus(dev);
        intel_teardown_mchbar(dev);

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c605fd4..d678b15 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1118,13 +1118,11 @@ static int bxt_resume_prepare(struct drm_i915_private *dev_priv)
 
 static int skl_resume_prepare(struct drm_i915_private *dev_priv)
 {
-       struct drm_device *dev = dev_priv->dev;
-
        if (dev_priv->csr.dmc_payload)
                skl_disable_dc6(dev_priv);
 
        skl_init_cdclk(dev_priv);
-       intel_csr_load_program(dev);
+       intel_csr_load_program(dev_priv);
 
        return 0;
 }

diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index a65a8d5..d14d11c 100644 (file)
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -200,19 +200,18 @@ static const struct stepping_info *intel_get_stepping_info(struct drm_device *de
 
 /**
  * intel_csr_load_program() - write the firmware from memory to register.
- * @dev: drm device.
+ * @dev_priv: i915 drm device.
  *
  * CSR firmware is read from a .bin file and kept in internal memory one time.
  * Everytime display comes back from low power state this function is called to
  * copy the firmware from internal memory to registers.
  */
-void intel_csr_load_program(struct drm_device *dev)
+void intel_csr_load_program(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
        u32 *payload = dev_priv->csr.dmc_payload;
        uint32_t i, fw_size;
 
-       if (!IS_GEN9(dev)) {
+       if (!IS_GEN9(dev_priv)) {
                DRM_ERROR("No CSR support available for this platform\n");
                return;
        }
@@ -362,7 +361,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
        memcpy(dmc_payload, &fw->data[readcount], nbytes);
 
        /* load csr program during system boot, as needed for DC states */
-       intel_csr_load_program(dev);
+       intel_csr_load_program(dev_priv);
        fw_loaded = true;
 
 out:
@@ -382,21 +381,20 @@ out:
 
 /**
  * intel_csr_ucode_init() - initialize the firmware loading.
- * @dev: drm device.
+ * @dev_priv: i915 drm device.
  *
  * This function is called at the time of loading the display driver to read
  * firmware from a .bin file and copied into a internal memory.
  */
-void intel_csr_ucode_init(struct drm_device *dev)
+void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_csr *csr = &dev_priv->csr;
        int ret;
 
-       if (!HAS_CSR(dev))
+       if (!HAS_CSR(dev_priv))
                return;
 
-       if (IS_SKYLAKE(dev))
+       if (IS_SKYLAKE(dev_priv))
                csr->fw_path = I915_CSR_SKL;
        else if (IS_BROXTON(dev_priv))
                csr->fw_path = I915_CSR_BXT;
@@ -426,16 +424,14 @@ void intel_csr_ucode_init(struct drm_device *dev)
 
 /**
  * intel_csr_ucode_fini() - unload the CSR firmware.
- * @dev: drm device.
+ * @dev_priv: i915 drm device.
  *
  * Firmmware unloading includes freeing the internal momory and reset the
  * firmware loading status.
  */
-void intel_csr_ucode_fini(struct drm_device *dev)
+void intel_csr_ucode_fini(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
-
-       if (!HAS_CSR(dev))
+       if (!HAS_CSR(dev_priv))
                return;
 
        kfree(dev_priv->csr.dmc_payload);

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5f42511..523e553 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1220,9 +1220,9 @@ u32 skl_plane_ctl_tiling(uint64_t fb_modifier);
 u32 skl_plane_ctl_rotation(unsigned int rotation);
 
 /* intel_csr.c */
-void intel_csr_ucode_init(struct drm_device *dev);
-void intel_csr_load_program(struct drm_device *dev);
-void intel_csr_ucode_fini(struct drm_device *dev);
+void intel_csr_ucode_init(struct drm_i915_private *);
+void intel_csr_load_program(struct drm_i915_private *);
+void intel_csr_ucode_fini(struct drm_i915_private *);
 
 /* intel_dp.c */
 void intel_dp_init(struct drm_device *dev, int output_reg, enum port port);