[Intel-gfx] [PATCH 10/43] drm/i915: Parametrize CSR_PROGRAM registers

Mika Kuoppala mika.kuoppala at linux.intel.com
Wed Sep 23 07:15:55 PDT 2015


ville.syrjala at linux.intel.com writes:

> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_csr.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
> index b69264d..8174335 100644
> --- a/drivers/gpu/drm/i915/intel_csr.c
> +++ b/drivers/gpu/drm/i915/intel_csr.c
> @@ -48,7 +48,7 @@ MODULE_FIRMWARE(I915_CSR_SKL);
>  /*
>  * SKL CSR registers for DC5 and DC6
>  */
> -#define CSR_PROGRAM_BASE		0x80000
> +#define CSR_PROGRAM(i)			(0x80000 + (i) * 4)
>  #define CSR_SSP_BASE_ADDR_GEN9		0x00002FC0
>  #define CSR_HTP_ADDR_SKL		0x00500034
>  #define CSR_SSP_BASE			0x8F074
> @@ -255,8 +255,7 @@ void intel_csr_load_program(struct drm_device *dev)
>  	mutex_lock(&dev_priv->csr_lock);
>  	fw_size = dev_priv->csr.dmc_fw_size;
>  	for (i = 0; i < fw_size; i++)
> -		I915_WRITE(CSR_PROGRAM_BASE + i * 4,
> -			payload[i]);
> +		I915_WRITE(CSR_PROGRAM(i), payload[i]);
>  
>  	for (i = 0; i < dev_priv->csr.mmio_count; i++) {
>  		I915_WRITE(dev_priv->csr.mmioaddr[i],
> @@ -456,7 +455,7 @@ void assert_csr_loaded(struct drm_i915_private *dev_priv)
>  {
>  	WARN_ONCE(intel_csr_load_status_get(dev_priv) != FW_LOADED,
>  		  "CSR is not loaded.\n");
> -	WARN_ONCE(!I915_READ(CSR_PROGRAM_BASE),
> +	WARN_ONCE(!I915_READ(CSR_PROGRAM(0)),
>  		  "CSR program storage start is NULL\n");
>  	WARN_ONCE(!I915_READ(CSR_SSP_BASE), "CSR SSP Base Not fine\n");
>  	WARN_ONCE(!I915_READ(CSR_HTP_SKL), "CSR HTP Not fine\n");
> -- 
> 2.4.6
>
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