From: Daniel Vetter <daniel.vetter@xxxxxxxxx>
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@xxxxxxxxx>
Cc: Imre Deak <imre.deak@xxxxxxxxx>
Cc: Sunil Kamath <sunil.kamath@xxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_dma.c | 6 +++---
drivers/gpu/drm/i915/i915_drv.c | 4 +---
drivers/gpu/drm/i915/intel_csr.c | 29 ++++++++++++-----------------
drivers/gpu/drm/i915/intel_drv.h | 6 +++---
4 files changed, 19 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index aa3cdcf..d4a7725 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1032,7 +1032,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
i915_audio_component_init(dev_priv);
/* Load CSR Firmware for SKL */
- intel_csr_ucode_init(dev);
+ intel_csr_ucode_init(dev_priv);
return 0;
@@ -1060,7 +1060,7 @@ 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:
@@ -1142,7 +1142,7 @@ 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 3cdd319..daaf72d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1043,12 +1043,10 @@ 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;
-
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 9ed513c..b369ea4 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -185,19 +185,18 @@ static char intel_get_substepping(struct drm_device *dev)
/**
* 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;
}
@@ -334,7 +333,6 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv,
static void finish_csr_load(const struct firmware *fw, void *context)
{
struct drm_i915_private *dev_priv = context;
- struct drm_device *dev = dev_priv->dev;
if (!fw)
goto out;
@@ -344,11 +342,11 @@ static void finish_csr_load(const struct firmware *fw, void *context)
goto out;
/* load csr program during system boot, as needed for DC states */
- intel_csr_load_program(dev);
+ intel_csr_load_program(dev_priv);
DRM_DEBUG_KMS("Finished loading %s\n", dev_priv->csr.fw_path);
out:
- if (dev_priv->csr.dmc_payload || IS_BROXTON(dev))
+ if (dev_priv->csr.dmc_payload || IS_BROXTON(dev_priv))
intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
else
DRM_ERROR("Failed to load DMC firmware, disabling rpm\n");
@@ -358,21 +356,20 @@ 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 {
DRM_ERROR("Unexpected: no known CSR firmware for platform\n");
@@ -396,16 +393,14 @@ 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 a5e4b08..62ed7dc 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1151,9 +1151,9 @@ 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);
--
2.0.2
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