diff mbox series

[2/3] drm/i915/csr: Add intel_csr_has_dmc_payload() helper

Message ID 20210428211249.11037-3-anusha.srivatsa@intel.com (mailing list archive)
State New, archived
Headers show
Series Pipe DMC Prep patches | expand

Commit Message

Srivatsa, Anusha April 28, 2021, 9:12 p.m. UTC
We check for dmc_payload being there at various points in the driver.
Replace it with the helper.

While at it moving bits related to CSR to intel_csr.h

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
---
 drivers/gpu/drm/i915/display/intel_csr.c      | 13 +++++++----
 drivers/gpu/drm/i915/display/intel_csr.h      | 23 +++++++++++++++++++
 .../drm/i915/display/intel_display_debugfs.c  |  4 ++--
 .../drm/i915/display/intel_display_power.c    | 16 ++++++-------
 drivers/gpu/drm/i915/i915_drv.h               | 18 +--------------
 drivers/gpu/drm/i915/i915_gpu_error.c         |  2 +-
 6 files changed, 44 insertions(+), 32 deletions(-)

Comments

Jani Nikula May 3, 2021, 6:07 p.m. UTC | #1
On Wed, 28 Apr 2021, Anusha Srivatsa <anusha.srivatsa@intel.com> wrote:
> We check for dmc_payload being there at various points in the driver.
> Replace it with the helper.

Yes please!

>
> While at it moving bits related to CSR to intel_csr.h
>
> Cc: Lucas De Marchi <lucas.demarchi@intel.com>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_csr.c      | 13 +++++++----
>  drivers/gpu/drm/i915/display/intel_csr.h      | 23 +++++++++++++++++++
>  .../drm/i915/display/intel_display_debugfs.c  |  4 ++--
>  .../drm/i915/display/intel_display_power.c    | 16 ++++++-------
>  drivers/gpu/drm/i915/i915_drv.h               | 18 +--------------
>  drivers/gpu/drm/i915/i915_gpu_error.c         |  2 +-
>  6 files changed, 44 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_csr.c b/drivers/gpu/drm/i915/display/intel_csr.c
> index bf60c3ffdf5d..66d369ec4f02 100644
> --- a/drivers/gpu/drm/i915/display/intel_csr.c
> +++ b/drivers/gpu/drm/i915/display/intel_csr.c
> @@ -238,6 +238,11 @@ struct stepping_info {
>  	char substepping;
>  };
>  
> +bool intel_csr_has_dmc_payload(struct drm_i915_private *dev_priv)

s/dev_priv/i915/g

> +{
> +	return dev_priv->csr.dmc_payload;
> +}
> +
>  static const struct stepping_info skl_stepping_info[] = {
>  	{'A', '0'}, {'B', '0'}, {'C', '0'},
>  	{'D', '0'}, {'E', '0'}, {'F', '0'},
> @@ -321,7 +326,7 @@ void intel_csr_load_program(struct drm_i915_private *dev_priv)
>  		return;
>  	}
>  
> -	if (!dev_priv->csr.dmc_payload) {
> +	if (!intel_csr_has_dmc_payload(dev_priv)) {
>  		drm_err(&dev_priv->drm,
>  			"Tried to program CSR with empty payload\n");
>  		return;
> @@ -655,7 +660,7 @@ static void csr_load_work_fn(struct work_struct *work)
>  	request_firmware(&fw, dev_priv->csr.fw_path, dev_priv->drm.dev);
>  	parse_csr_fw(dev_priv, fw);
>  
> -	if (dev_priv->csr.dmc_payload) {
> +	if (intel_csr_has_dmc_payload(dev_priv)) {
>  		intel_csr_load_program(dev_priv);
>  		intel_csr_runtime_pm_put(dev_priv);
>  
> @@ -784,7 +789,7 @@ void intel_csr_ucode_suspend(struct drm_i915_private *dev_priv)
>  	flush_work(&dev_priv->csr.work);
>  
>  	/* Drop the reference held in case DMC isn't loaded. */
> -	if (!dev_priv->csr.dmc_payload)
> +	if (!intel_csr_has_dmc_payload(dev_priv))
>  		intel_csr_runtime_pm_put(dev_priv);
>  }
>  
> @@ -804,7 +809,7 @@ void intel_csr_ucode_resume(struct drm_i915_private *dev_priv)
>  	 * Reacquire the reference to keep RPM disabled in case DMC isn't
>  	 * loaded.
>  	 */
> -	if (!dev_priv->csr.dmc_payload)
> +	if (!intel_csr_has_dmc_payload(dev_priv))
>  		intel_csr_runtime_pm_get(dev_priv);
>  }
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_csr.h b/drivers/gpu/drm/i915/display/intel_csr.h
> index 03c64f8af7ab..9cab82dfb1ed 100644
> --- a/drivers/gpu/drm/i915/display/intel_csr.h
> +++ b/drivers/gpu/drm/i915/display/intel_csr.h
> @@ -6,6 +6,10 @@
>  #ifndef __INTEL_CSR_H__
>  #define __INTEL_CSR_H__
>  
> +#include <drm/drm_util.h>

What for?

You'll need <linux/types.h>.

We may want to consider having split interface and types headers... but
maybe later.

> +#include "intel_wakeref.h"
> +#include "i915_reg.h"
> +
>  struct drm_i915_private;
>  
>  #define CSR_VERSION(major, minor)	((major) << 16 | (minor))
> @@ -18,4 +22,23 @@ void intel_csr_ucode_fini(struct drm_i915_private *i915);
>  void intel_csr_ucode_suspend(struct drm_i915_private *i915);
>  void intel_csr_ucode_resume(struct drm_i915_private *i915);
>  
> +struct intel_csr {
> +	struct work_struct work;
> +	const char *fw_path;
> +	u32 required_version;
> +	u32 max_fw_size; /* bytes */
> +	u32 *dmc_payload;
> +	u32 dmc_fw_size; /* dwords */
> +	u32 version;
> +	u32 mmio_count;
> +	i915_reg_t mmioaddr[20];
> +	u32 mmiodata[20];
> +	u32 dc_state;
> +	u32 target_dc_state;
> +	u32 allowed_dc_mask;
> +	intel_wakeref_t wakeref;
> +};
> +
> +bool intel_csr_has_dmc_payload(struct drm_i915_private *dev_priv);
> +
>  #endif /* __INTEL_CSR_H__ */
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index 183c414d554a..a10c9d4c2536 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -541,10 +541,10 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
>  
>  	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
>  
> -	seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
> +	seq_printf(m, "fw loaded: %s\n", yesno(intel_csr_has_dmc_payload(dev_priv)));
>  	seq_printf(m, "path: %s\n", csr->fw_path);
>  
> -	if (!csr->dmc_payload)
> +	if (!intel_csr_has_dmc_payload(dev_priv))
>  		goto out;
>  
>  	seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index d48dd15a4f6e..6a9d99b80755 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -1219,7 +1219,7 @@ static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv,
>  static void gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv,
>  					   struct i915_power_well *power_well)
>  {
> -	if (!dev_priv->csr.dmc_payload)
> +	if (!intel_csr_has_dmc_payload(dev_priv))
>  		return;
>  
>  	switch (dev_priv->csr.target_dc_state) {
> @@ -5150,7 +5150,7 @@ static void skl_display_core_init(struct drm_i915_private *dev_priv,
>  
>  	gen9_dbuf_enable(dev_priv);
>  
> -	if (resume && dev_priv->csr.dmc_payload)
> +	if (resume && intel_csr_has_dmc_payload(dev_priv))
>  		intel_csr_load_program(dev_priv);
>  }
>  
> @@ -5217,7 +5217,7 @@ static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume
>  
>  	gen9_dbuf_enable(dev_priv);
>  
> -	if (resume && dev_priv->csr.dmc_payload)
> +	if (resume && intel_csr_has_dmc_payload(dev_priv))
>  		intel_csr_load_program(dev_priv);
>  }
>  
> @@ -5283,7 +5283,7 @@ static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume
>  	/* 6. Enable DBUF */
>  	gen9_dbuf_enable(dev_priv);
>  
> -	if (resume && dev_priv->csr.dmc_payload)
> +	if (resume && intel_csr_has_dmc_payload(dev_priv))
>  		intel_csr_load_program(dev_priv);
>  }
>  
> @@ -5440,7 +5440,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
>  	if (DISPLAY_VER(dev_priv) >= 12)
>  		tgl_bw_buddy_init(dev_priv);
>  
> -	if (resume && dev_priv->csr.dmc_payload)
> +	if (resume && intel_csr_has_dmc_payload(dev_priv))
>  		intel_csr_load_program(dev_priv);
>  
>  	/* Wa_14011508470 */
> @@ -5797,7 +5797,7 @@ void intel_power_domains_suspend(struct drm_i915_private *i915,
>  	 */
>  	if (!(i915->csr.allowed_dc_mask & DC_STATE_EN_DC9) &&
>  	    suspend_mode == I915_DRM_SUSPEND_IDLE &&
> -	    i915->csr.dmc_payload) {
> +	    intel_csr_has_dmc_payload(i915)) {
>  		intel_display_power_flush_work(i915);
>  		intel_power_domains_verify_state(i915);
>  		return;
> @@ -5987,7 +5987,7 @@ void intel_display_power_resume(struct drm_i915_private *i915)
>  	if (DISPLAY_VER(i915) >= 11) {
>  		bxt_disable_dc9(i915);
>  		icl_display_core_init(i915, true);
> -		if (i915->csr.dmc_payload) {
> +		if (intel_csr_has_dmc_payload(i915)) {
>  			if (i915->csr.allowed_dc_mask &
>  			    DC_STATE_EN_UPTO_DC6)
>  				skl_enable_dc6(i915);
> @@ -5998,7 +5998,7 @@ void intel_display_power_resume(struct drm_i915_private *i915)
>  	} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
>  		bxt_disable_dc9(i915);
>  		bxt_display_core_init(i915, true);
> -		if (i915->csr.dmc_payload &&
> +		if (intel_csr_has_dmc_payload(i915) &&
>  		    (i915->csr.allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
>  			gen9_enable_dc5(i915);
>  	} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 336b09f38aad..50f32d89e175 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -74,6 +74,7 @@
>  #include "display/intel_global_state.h"
>  #include "display/intel_gmbus.h"
>  #include "display/intel_opregion.h"
> +#include "display/intel_csr.h"
>  
>  #include "gem/i915_gem_context_types.h"
>  #include "gem/i915_gem_shrinker.h"
> @@ -329,23 +330,6 @@ struct drm_i915_display_funcs {
>  	void (*read_luts)(struct intel_crtc_state *crtc_state);
>  };
>  
> -struct intel_csr {
> -	struct work_struct work;
> -	const char *fw_path;
> -	u32 required_version;
> -	u32 max_fw_size; /* bytes */
> -	u32 *dmc_payload;
> -	u32 dmc_fw_size; /* dwords */
> -	u32 version;
> -	u32 mmio_count;
> -	i915_reg_t mmioaddr[20];
> -	u32 mmiodata[20];
> -	u32 dc_state;
> -	u32 target_dc_state;
> -	u32 allowed_dc_mask;
> -	intel_wakeref_t wakeref;
> -};
> -
>  enum i915_cache_level {
>  	I915_CACHE_NONE = 0,
>  	I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> index bb181fe5d47e..cbf485e8510a 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> @@ -793,7 +793,7 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
>  		struct intel_csr *csr = &m->i915->csr;
>  
>  		err_printf(m, "DMC loaded: %s\n",
> -			   yesno(csr->dmc_payload != NULL));
> +			   yesno(intel_csr_has_dmc_payload(m->i915) != 0));
>  		err_printf(m, "DMC fw version: %d.%d\n",
>  			   CSR_VERSION_MAJOR(csr->version),
>  			   CSR_VERSION_MINOR(csr->version));
Srivatsa, Anusha May 3, 2021, 9:50 p.m. UTC | #2
> -----Original Message-----
> From: Jani Nikula <jani.nikula@linux.intel.com>
> Sent: Monday, May 3, 2021 11:07 AM
> To: Srivatsa, Anusha <anusha.srivatsa@intel.com>; intel-
> gfx@lists.freedesktop.org
> Cc: De Marchi, Lucas <lucas.demarchi@intel.com>
> Subject: Re: [Intel-gfx] [PATCH 2/3] drm/i915/csr: Add
> intel_csr_has_dmc_payload() helper
> 
> On Wed, 28 Apr 2021, Anusha Srivatsa <anusha.srivatsa@intel.com> wrote:
> > We check for dmc_payload being there at various points in the driver.
> > Replace it with the helper.
> 
> Yes please!
> 
> >
> > While at it moving bits related to CSR to intel_csr.h
> >
> > Cc: Lucas De Marchi <lucas.demarchi@intel.com>
> > Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/intel_csr.c      | 13 +++++++----
> >  drivers/gpu/drm/i915/display/intel_csr.h      | 23 +++++++++++++++++++
> >  .../drm/i915/display/intel_display_debugfs.c  |  4 ++--
> >  .../drm/i915/display/intel_display_power.c    | 16 ++++++-------
> >  drivers/gpu/drm/i915/i915_drv.h               | 18 +--------------
> >  drivers/gpu/drm/i915/i915_gpu_error.c         |  2 +-
> >  6 files changed, 44 insertions(+), 32 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_csr.c
> > b/drivers/gpu/drm/i915/display/intel_csr.c
> > index bf60c3ffdf5d..66d369ec4f02 100644
> > --- a/drivers/gpu/drm/i915/display/intel_csr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_csr.c
> > @@ -238,6 +238,11 @@ struct stepping_info {
> >  	char substepping;
> >  };
> >
> > +bool intel_csr_has_dmc_payload(struct drm_i915_private *dev_priv)
> 
> s/dev_priv/i915/g
> 
> > +{
> > +	return dev_priv->csr.dmc_payload;
> > +}
> > +
> >  static const struct stepping_info skl_stepping_info[] = {
> >  	{'A', '0'}, {'B', '0'}, {'C', '0'},
> >  	{'D', '0'}, {'E', '0'}, {'F', '0'},
> > @@ -321,7 +326,7 @@ void intel_csr_load_program(struct
> drm_i915_private *dev_priv)
> >  		return;
> >  	}
> >
> > -	if (!dev_priv->csr.dmc_payload) {
> > +	if (!intel_csr_has_dmc_payload(dev_priv)) {
> >  		drm_err(&dev_priv->drm,
> >  			"Tried to program CSR with empty payload\n");
> >  		return;
> > @@ -655,7 +660,7 @@ static void csr_load_work_fn(struct work_struct
> *work)
> >  	request_firmware(&fw, dev_priv->csr.fw_path, dev_priv-
> >drm.dev);
> >  	parse_csr_fw(dev_priv, fw);
> >
> > -	if (dev_priv->csr.dmc_payload) {
> > +	if (intel_csr_has_dmc_payload(dev_priv)) {
> >  		intel_csr_load_program(dev_priv);
> >  		intel_csr_runtime_pm_put(dev_priv);
> >
> > @@ -784,7 +789,7 @@ void intel_csr_ucode_suspend(struct
> drm_i915_private *dev_priv)
> >  	flush_work(&dev_priv->csr.work);
> >
> >  	/* Drop the reference held in case DMC isn't loaded. */
> > -	if (!dev_priv->csr.dmc_payload)
> > +	if (!intel_csr_has_dmc_payload(dev_priv))
> >  		intel_csr_runtime_pm_put(dev_priv);
> >  }
> >
> > @@ -804,7 +809,7 @@ void intel_csr_ucode_resume(struct
> drm_i915_private *dev_priv)
> >  	 * Reacquire the reference to keep RPM disabled in case DMC isn't
> >  	 * loaded.
> >  	 */
> > -	if (!dev_priv->csr.dmc_payload)
> > +	if (!intel_csr_has_dmc_payload(dev_priv))
> >  		intel_csr_runtime_pm_get(dev_priv);
> >  }
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_csr.h
> > b/drivers/gpu/drm/i915/display/intel_csr.h
> > index 03c64f8af7ab..9cab82dfb1ed 100644
> > --- a/drivers/gpu/drm/i915/display/intel_csr.h
> > +++ b/drivers/gpu/drm/i915/display/intel_csr.h
> > @@ -6,6 +6,10 @@
> >  #ifndef __INTEL_CSR_H__
> >  #define __INTEL_CSR_H__
> >
> > +#include <drm/drm_util.h>
> 
> What for?

Let me check with removing the above header.

> You'll need <linux/types.h>.
Sure.
 
> We may want to consider having split interface and types headers... but
> maybe later.
Sounds good.


Thanks for the feedback Jani.

Anusha
> 
> > +#include "intel_wakeref.h"
> > +#include "i915_reg.h"
> > +
> >  struct drm_i915_private;
> >
> >  #define CSR_VERSION(major, minor)	((major) << 16 | (minor))
> > @@ -18,4 +22,23 @@ void intel_csr_ucode_fini(struct drm_i915_private
> > *i915);  void intel_csr_ucode_suspend(struct drm_i915_private *i915);
> > void intel_csr_ucode_resume(struct drm_i915_private *i915);
> >
> > +struct intel_csr {
> > +	struct work_struct work;
> > +	const char *fw_path;
> > +	u32 required_version;
> > +	u32 max_fw_size; /* bytes */
> > +	u32 *dmc_payload;
> > +	u32 dmc_fw_size; /* dwords */
> > +	u32 version;
> > +	u32 mmio_count;
> > +	i915_reg_t mmioaddr[20];
> > +	u32 mmiodata[20];
> > +	u32 dc_state;
> > +	u32 target_dc_state;
> > +	u32 allowed_dc_mask;
> > +	intel_wakeref_t wakeref;
> > +};
> > +
> > +bool intel_csr_has_dmc_payload(struct drm_i915_private *dev_priv);
> > +
> >  #endif /* __INTEL_CSR_H__ */
> > diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > index 183c414d554a..a10c9d4c2536 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > @@ -541,10 +541,10 @@ static int i915_dmc_info(struct seq_file *m,
> > void *unused)
> >
> >  	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
> >
> > -	seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload !=
> NULL));
> > +	seq_printf(m, "fw loaded: %s\n",
> > +yesno(intel_csr_has_dmc_payload(dev_priv)));
> >  	seq_printf(m, "path: %s\n", csr->fw_path);
> >
> > -	if (!csr->dmc_payload)
> > +	if (!intel_csr_has_dmc_payload(dev_priv))
> >  		goto out;
> >
> >  	seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr-
> >version),
> > diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c
> > b/drivers/gpu/drm/i915/display/intel_display_power.c
> > index d48dd15a4f6e..6a9d99b80755 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> > @@ -1219,7 +1219,7 @@ static void
> gen9_dc_off_power_well_enable(struct
> > drm_i915_private *dev_priv,  static void
> gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv,
> >  					   struct i915_power_well
> *power_well)  {
> > -	if (!dev_priv->csr.dmc_payload)
> > +	if (!intel_csr_has_dmc_payload(dev_priv))
> >  		return;
> >
> >  	switch (dev_priv->csr.target_dc_state) { @@ -5150,7 +5150,7 @@
> > static void skl_display_core_init(struct drm_i915_private *dev_priv,
> >
> >  	gen9_dbuf_enable(dev_priv);
> >
> > -	if (resume && dev_priv->csr.dmc_payload)
> > +	if (resume && intel_csr_has_dmc_payload(dev_priv))
> >  		intel_csr_load_program(dev_priv);
> >  }
> >
> > @@ -5217,7 +5217,7 @@ static void bxt_display_core_init(struct
> > drm_i915_private *dev_priv, bool resume
> >
> >  	gen9_dbuf_enable(dev_priv);
> >
> > -	if (resume && dev_priv->csr.dmc_payload)
> > +	if (resume && intel_csr_has_dmc_payload(dev_priv))
> >  		intel_csr_load_program(dev_priv);
> >  }
> >
> > @@ -5283,7 +5283,7 @@ static void cnl_display_core_init(struct
> drm_i915_private *dev_priv, bool resume
> >  	/* 6. Enable DBUF */
> >  	gen9_dbuf_enable(dev_priv);
> >
> > -	if (resume && dev_priv->csr.dmc_payload)
> > +	if (resume && intel_csr_has_dmc_payload(dev_priv))
> >  		intel_csr_load_program(dev_priv);
> >  }
> >
> > @@ -5440,7 +5440,7 @@ static void icl_display_core_init(struct
> drm_i915_private *dev_priv,
> >  	if (DISPLAY_VER(dev_priv) >= 12)
> >  		tgl_bw_buddy_init(dev_priv);
> >
> > -	if (resume && dev_priv->csr.dmc_payload)
> > +	if (resume && intel_csr_has_dmc_payload(dev_priv))
> >  		intel_csr_load_program(dev_priv);
> >
> >  	/* Wa_14011508470 */
> > @@ -5797,7 +5797,7 @@ void intel_power_domains_suspend(struct
> drm_i915_private *i915,
> >  	 */
> >  	if (!(i915->csr.allowed_dc_mask & DC_STATE_EN_DC9) &&
> >  	    suspend_mode == I915_DRM_SUSPEND_IDLE &&
> > -	    i915->csr.dmc_payload) {
> > +	    intel_csr_has_dmc_payload(i915)) {
> >  		intel_display_power_flush_work(i915);
> >  		intel_power_domains_verify_state(i915);
> >  		return;
> > @@ -5987,7 +5987,7 @@ void intel_display_power_resume(struct
> drm_i915_private *i915)
> >  	if (DISPLAY_VER(i915) >= 11) {
> >  		bxt_disable_dc9(i915);
> >  		icl_display_core_init(i915, true);
> > -		if (i915->csr.dmc_payload) {
> > +		if (intel_csr_has_dmc_payload(i915)) {
> >  			if (i915->csr.allowed_dc_mask &
> >  			    DC_STATE_EN_UPTO_DC6)
> >  				skl_enable_dc6(i915);
> > @@ -5998,7 +5998,7 @@ void intel_display_power_resume(struct
> drm_i915_private *i915)
> >  	} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
> >  		bxt_disable_dc9(i915);
> >  		bxt_display_core_init(i915, true);
> > -		if (i915->csr.dmc_payload &&
> > +		if (intel_csr_has_dmc_payload(i915) &&
> >  		    (i915->csr.allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
> >  			gen9_enable_dc5(i915);
> >  	} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) { diff --git
> > a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> > index 336b09f38aad..50f32d89e175 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -74,6 +74,7 @@
> >  #include "display/intel_global_state.h"
> >  #include "display/intel_gmbus.h"
> >  #include "display/intel_opregion.h"
> > +#include "display/intel_csr.h"
> >
> >  #include "gem/i915_gem_context_types.h"
> >  #include "gem/i915_gem_shrinker.h"
> > @@ -329,23 +330,6 @@ struct drm_i915_display_funcs {
> >  	void (*read_luts)(struct intel_crtc_state *crtc_state);  };
> >
> > -struct intel_csr {
> > -	struct work_struct work;
> > -	const char *fw_path;
> > -	u32 required_version;
> > -	u32 max_fw_size; /* bytes */
> > -	u32 *dmc_payload;
> > -	u32 dmc_fw_size; /* dwords */
> > -	u32 version;
> > -	u32 mmio_count;
> > -	i915_reg_t mmioaddr[20];
> > -	u32 mmiodata[20];
> > -	u32 dc_state;
> > -	u32 target_dc_state;
> > -	u32 allowed_dc_mask;
> > -	intel_wakeref_t wakeref;
> > -};
> > -
> >  enum i915_cache_level {
> >  	I915_CACHE_NONE = 0,
> >  	I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
> diff
> > --git a/drivers/gpu/drm/i915/i915_gpu_error.c
> > b/drivers/gpu/drm/i915/i915_gpu_error.c
> > index bb181fe5d47e..cbf485e8510a 100644
> > --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> > +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> > @@ -793,7 +793,7 @@ static void __err_print_to_sgl(struct
> drm_i915_error_state_buf *m,
> >  		struct intel_csr *csr = &m->i915->csr;
> >
> >  		err_printf(m, "DMC loaded: %s\n",
> > -			   yesno(csr->dmc_payload != NULL));
> > +			   yesno(intel_csr_has_dmc_payload(m->i915) != 0));
> >  		err_printf(m, "DMC fw version: %d.%d\n",
> >  			   CSR_VERSION_MAJOR(csr->version),
> >  			   CSR_VERSION_MINOR(csr->version));
> 
> --
> Jani Nikula, Intel Open Source Graphics Center
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_csr.c b/drivers/gpu/drm/i915/display/intel_csr.c
index bf60c3ffdf5d..66d369ec4f02 100644
--- a/drivers/gpu/drm/i915/display/intel_csr.c
+++ b/drivers/gpu/drm/i915/display/intel_csr.c
@@ -238,6 +238,11 @@  struct stepping_info {
 	char substepping;
 };
 
+bool intel_csr_has_dmc_payload(struct drm_i915_private *dev_priv)
+{
+	return dev_priv->csr.dmc_payload;
+}
+
 static const struct stepping_info skl_stepping_info[] = {
 	{'A', '0'}, {'B', '0'}, {'C', '0'},
 	{'D', '0'}, {'E', '0'}, {'F', '0'},
@@ -321,7 +326,7 @@  void intel_csr_load_program(struct drm_i915_private *dev_priv)
 		return;
 	}
 
-	if (!dev_priv->csr.dmc_payload) {
+	if (!intel_csr_has_dmc_payload(dev_priv)) {
 		drm_err(&dev_priv->drm,
 			"Tried to program CSR with empty payload\n");
 		return;
@@ -655,7 +660,7 @@  static void csr_load_work_fn(struct work_struct *work)
 	request_firmware(&fw, dev_priv->csr.fw_path, dev_priv->drm.dev);
 	parse_csr_fw(dev_priv, fw);
 
-	if (dev_priv->csr.dmc_payload) {
+	if (intel_csr_has_dmc_payload(dev_priv)) {
 		intel_csr_load_program(dev_priv);
 		intel_csr_runtime_pm_put(dev_priv);
 
@@ -784,7 +789,7 @@  void intel_csr_ucode_suspend(struct drm_i915_private *dev_priv)
 	flush_work(&dev_priv->csr.work);
 
 	/* Drop the reference held in case DMC isn't loaded. */
-	if (!dev_priv->csr.dmc_payload)
+	if (!intel_csr_has_dmc_payload(dev_priv))
 		intel_csr_runtime_pm_put(dev_priv);
 }
 
@@ -804,7 +809,7 @@  void intel_csr_ucode_resume(struct drm_i915_private *dev_priv)
 	 * Reacquire the reference to keep RPM disabled in case DMC isn't
 	 * loaded.
 	 */
-	if (!dev_priv->csr.dmc_payload)
+	if (!intel_csr_has_dmc_payload(dev_priv))
 		intel_csr_runtime_pm_get(dev_priv);
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_csr.h b/drivers/gpu/drm/i915/display/intel_csr.h
index 03c64f8af7ab..9cab82dfb1ed 100644
--- a/drivers/gpu/drm/i915/display/intel_csr.h
+++ b/drivers/gpu/drm/i915/display/intel_csr.h
@@ -6,6 +6,10 @@ 
 #ifndef __INTEL_CSR_H__
 #define __INTEL_CSR_H__
 
+#include <drm/drm_util.h>
+#include "intel_wakeref.h"
+#include "i915_reg.h"
+
 struct drm_i915_private;
 
 #define CSR_VERSION(major, minor)	((major) << 16 | (minor))
@@ -18,4 +22,23 @@  void intel_csr_ucode_fini(struct drm_i915_private *i915);
 void intel_csr_ucode_suspend(struct drm_i915_private *i915);
 void intel_csr_ucode_resume(struct drm_i915_private *i915);
 
+struct intel_csr {
+	struct work_struct work;
+	const char *fw_path;
+	u32 required_version;
+	u32 max_fw_size; /* bytes */
+	u32 *dmc_payload;
+	u32 dmc_fw_size; /* dwords */
+	u32 version;
+	u32 mmio_count;
+	i915_reg_t mmioaddr[20];
+	u32 mmiodata[20];
+	u32 dc_state;
+	u32 target_dc_state;
+	u32 allowed_dc_mask;
+	intel_wakeref_t wakeref;
+};
+
+bool intel_csr_has_dmc_payload(struct drm_i915_private *dev_priv);
+
 #endif /* __INTEL_CSR_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 183c414d554a..a10c9d4c2536 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -541,10 +541,10 @@  static int i915_dmc_info(struct seq_file *m, void *unused)
 
 	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 
-	seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
+	seq_printf(m, "fw loaded: %s\n", yesno(intel_csr_has_dmc_payload(dev_priv)));
 	seq_printf(m, "path: %s\n", csr->fw_path);
 
-	if (!csr->dmc_payload)
+	if (!intel_csr_has_dmc_payload(dev_priv))
 		goto out;
 
 	seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index d48dd15a4f6e..6a9d99b80755 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -1219,7 +1219,7 @@  static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv,
 static void gen9_dc_off_power_well_disable(struct drm_i915_private *dev_priv,
 					   struct i915_power_well *power_well)
 {
-	if (!dev_priv->csr.dmc_payload)
+	if (!intel_csr_has_dmc_payload(dev_priv))
 		return;
 
 	switch (dev_priv->csr.target_dc_state) {
@@ -5150,7 +5150,7 @@  static void skl_display_core_init(struct drm_i915_private *dev_priv,
 
 	gen9_dbuf_enable(dev_priv);
 
-	if (resume && dev_priv->csr.dmc_payload)
+	if (resume && intel_csr_has_dmc_payload(dev_priv))
 		intel_csr_load_program(dev_priv);
 }
 
@@ -5217,7 +5217,7 @@  static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume
 
 	gen9_dbuf_enable(dev_priv);
 
-	if (resume && dev_priv->csr.dmc_payload)
+	if (resume && intel_csr_has_dmc_payload(dev_priv))
 		intel_csr_load_program(dev_priv);
 }
 
@@ -5283,7 +5283,7 @@  static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume
 	/* 6. Enable DBUF */
 	gen9_dbuf_enable(dev_priv);
 
-	if (resume && dev_priv->csr.dmc_payload)
+	if (resume && intel_csr_has_dmc_payload(dev_priv))
 		intel_csr_load_program(dev_priv);
 }
 
@@ -5440,7 +5440,7 @@  static void icl_display_core_init(struct drm_i915_private *dev_priv,
 	if (DISPLAY_VER(dev_priv) >= 12)
 		tgl_bw_buddy_init(dev_priv);
 
-	if (resume && dev_priv->csr.dmc_payload)
+	if (resume && intel_csr_has_dmc_payload(dev_priv))
 		intel_csr_load_program(dev_priv);
 
 	/* Wa_14011508470 */
@@ -5797,7 +5797,7 @@  void intel_power_domains_suspend(struct drm_i915_private *i915,
 	 */
 	if (!(i915->csr.allowed_dc_mask & DC_STATE_EN_DC9) &&
 	    suspend_mode == I915_DRM_SUSPEND_IDLE &&
-	    i915->csr.dmc_payload) {
+	    intel_csr_has_dmc_payload(i915)) {
 		intel_display_power_flush_work(i915);
 		intel_power_domains_verify_state(i915);
 		return;
@@ -5987,7 +5987,7 @@  void intel_display_power_resume(struct drm_i915_private *i915)
 	if (DISPLAY_VER(i915) >= 11) {
 		bxt_disable_dc9(i915);
 		icl_display_core_init(i915, true);
-		if (i915->csr.dmc_payload) {
+		if (intel_csr_has_dmc_payload(i915)) {
 			if (i915->csr.allowed_dc_mask &
 			    DC_STATE_EN_UPTO_DC6)
 				skl_enable_dc6(i915);
@@ -5998,7 +5998,7 @@  void intel_display_power_resume(struct drm_i915_private *i915)
 	} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
 		bxt_disable_dc9(i915);
 		bxt_display_core_init(i915, true);
-		if (i915->csr.dmc_payload &&
+		if (intel_csr_has_dmc_payload(i915) &&
 		    (i915->csr.allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
 			gen9_enable_dc5(i915);
 	} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 336b09f38aad..50f32d89e175 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -74,6 +74,7 @@ 
 #include "display/intel_global_state.h"
 #include "display/intel_gmbus.h"
 #include "display/intel_opregion.h"
+#include "display/intel_csr.h"
 
 #include "gem/i915_gem_context_types.h"
 #include "gem/i915_gem_shrinker.h"
@@ -329,23 +330,6 @@  struct drm_i915_display_funcs {
 	void (*read_luts)(struct intel_crtc_state *crtc_state);
 };
 
-struct intel_csr {
-	struct work_struct work;
-	const char *fw_path;
-	u32 required_version;
-	u32 max_fw_size; /* bytes */
-	u32 *dmc_payload;
-	u32 dmc_fw_size; /* dwords */
-	u32 version;
-	u32 mmio_count;
-	i915_reg_t mmioaddr[20];
-	u32 mmiodata[20];
-	u32 dc_state;
-	u32 target_dc_state;
-	u32 allowed_dc_mask;
-	intel_wakeref_t wakeref;
-};
-
 enum i915_cache_level {
 	I915_CACHE_NONE = 0,
 	I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index bb181fe5d47e..cbf485e8510a 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -793,7 +793,7 @@  static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
 		struct intel_csr *csr = &m->i915->csr;
 
 		err_printf(m, "DMC loaded: %s\n",
-			   yesno(csr->dmc_payload != NULL));
+			   yesno(intel_csr_has_dmc_payload(m->i915) != 0));
 		err_printf(m, "DMC fw version: %d.%d\n",
 			   CSR_VERSION_MAJOR(csr->version),
 			   CSR_VERSION_MINOR(csr->version));