[Intel-gfx] [PATCH 1/4] drm/i915: Remove the "pf" crc source

[Dhinakaran Pandiyan]

On Thu, 2019-02-14 at 21:22 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> The "pipe" and "pf" crc sources are in fact the same thing.
> Remove the "pf" one.

And BDW+ seem to call it DMUX output.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h       | 1 -
>  drivers/gpu/drm/i915/intel_pipe_crc.c | 6 ++----
>  2 files changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h
> b/drivers/gpu/drm/i915/i915_drv.h
> index 17fe942eaafa..4e11d970cbcf 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1196,7 +1196,6 @@ enum intel_pipe_crc_source {
>  	INTEL_PIPE_CRC_SOURCE_NONE,
>  	INTEL_PIPE_CRC_SOURCE_PLANE1,
>  	INTEL_PIPE_CRC_SOURCE_PLANE2,
> -	INTEL_PIPE_CRC_SOURCE_PF,
>  	INTEL_PIPE_CRC_SOURCE_PIPE,
>  	/* TV/DP on pre-gen5/vlv can't use the pipe source. */
>  	INTEL_PIPE_CRC_SOURCE_TV,
> diff --git a/drivers/gpu/drm/i915/intel_pipe_crc.c
> b/drivers/gpu/drm/i915/intel_pipe_crc.c
> index a8554dc4f196..a3a3ad760158 100644
> --- a/drivers/gpu/drm/i915/intel_pipe_crc.c
> +++ b/drivers/gpu/drm/i915/intel_pipe_crc.c
> @@ -34,7 +34,6 @@ static const char * const pipe_crc_sources[] = {
>  	"none",
>  	"plane1",
>  	"plane2",
> -	"pf",
>  	"pipe",
>  	"TV",
>  	"DP-B",
> @@ -396,7 +395,7 @@ static int ivb_pipe_crc_ctl_reg(struct
> drm_i915_private *dev_priv,
>  				bool set_wa)
>  {
>  	if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
> -		*source = INTEL_PIPE_CRC_SOURCE_PF;
> +		*source = INTEL_PIPE_CRC_SOURCE_PIPE;
>  
>  	switch (*source) {
>  	case INTEL_PIPE_CRC_SOURCE_PLANE1:
> @@ -405,7 +404,7 @@ static int ivb_pipe_crc_ctl_reg(struct
> drm_i915_private *dev_priv,
>  	case INTEL_PIPE_CRC_SOURCE_PLANE2:
>  		*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB;
>  		break;
> -	case INTEL_PIPE_CRC_SOURCE_PF:
> +	case INTEL_PIPE_CRC_SOURCE_PIPE:

Ah, source == "pipe" would have returned a failure here
although ivb_crc_source_valid() considers it a valid source. This
patch fixes that too.

Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>

>  		if (set_wa && (IS_HASWELL(dev_priv) ||
>  		     IS_BROADWELL(dev_priv)) && pipe == PIPE_A)
>  			hsw_pipe_A_crc_wa(dev_priv, true);
> @@ -532,7 +531,6 @@ static int ivb_crc_source_valid(struct
> drm_i915_private *dev_priv,
>  	case INTEL_PIPE_CRC_SOURCE_PIPE:
>  	case INTEL_PIPE_CRC_SOURCE_PLANE1:
>  	case INTEL_PIPE_CRC_SOURCE_PLANE2:
> -	case INTEL_PIPE_CRC_SOURCE_PF:
>  	case INTEL_PIPE_CRC_SOURCE_NONE:
>  		return 0;
>  	default: