Re: [Intel-gfx] [PATCH v2 25/25] drm/edid: convert version_greater() to drm_edid

["Nautiyal, Ankit K" <ankit.k.nautiyal@intel.com>]

LGTM

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

Regards,

Ankit

On 5/9/2022 5:33 PM, Jani Nikula wrote:
> We'll need to propagate drm_edid everywhere. Also make version_greater()
> a function for type safety.
>
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> ---
>   drivers/gpu/drm/drm_edid.c | 29 +++++++++++++++++------------
>   1 file changed, 17 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index a44818f44718..429078bcf372 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -45,10 +45,6 @@
>   
>   #include "drm_crtc_internal.h"
>   
> -#define version_greater(edid, maj, min) \
> -	(((edid)->version > (maj)) || \
> -	 ((edid)->version == (maj) && (edid)->revision > (min)))
> -
>   static int oui(u8 first, u8 second, u8 third)
>   {
>   	return (first << 16) | (second << 8) | third;
> @@ -1576,6 +1572,15 @@ struct drm_edid {
>   	const struct edid *edid;
>   };
>   
> +static bool version_greater(const struct drm_edid *drm_edid,
> +			    u8 version, u8 revision)
> +{
> +	const struct edid *edid = drm_edid->edid;
> +
> +	return edid->version > version ||
> +		(edid->version == version && edid->revision > revision);
> +}
> +
>   static int edid_extension_block_count(const struct edid *edid)
>   {
>   	return edid->extensions;
> @@ -3232,7 +3237,7 @@ do_inferred_modes(const struct detailed_timing *timing, void *c)
>   						  closure->drm_edid,
>   						  timing);
>   
> -	if (!version_greater(closure->drm_edid->edid, 1, 1))
> +	if (!version_greater(closure->drm_edid, 1, 1))
>   		return; /* GTF not defined yet */
>   
>   	switch (range->flags) {
> @@ -3243,7 +3248,7 @@ do_inferred_modes(const struct detailed_timing *timing, void *c)
>   							  timing);
>   		break;
>   	case 0x04: /* cvt, only in 1.4+ */
> -		if (!version_greater(closure->drm_edid->edid, 1, 3))
> +		if (!version_greater(closure->drm_edid, 1, 3))
>   			break;
>   
>   		closure->modes += drm_cvt_modes_for_range(closure->connector,
> @@ -3264,7 +3269,7 @@ static int add_inferred_modes(struct drm_connector *connector,
>   		.drm_edid = drm_edid,
>   	};
>   
> -	if (version_greater(drm_edid->edid, 1, 0))
> +	if (version_greater(drm_edid, 1, 0))
>   		drm_for_each_detailed_block(drm_edid, do_inferred_modes, &closure);
>   
>   	return closure.modes;
> @@ -3341,7 +3346,7 @@ static int add_established_modes(struct drm_connector *connector,
>   		}
>   	}
>   
> -	if (version_greater(edid, 1, 0))
> +	if (version_greater(drm_edid, 1, 0))
>   		drm_for_each_detailed_block(drm_edid, do_established_modes,
>   					    &closure);
>   
> @@ -3396,7 +3401,7 @@ static int add_standard_modes(struct drm_connector *connector,
>   		}
>   	}
>   
> -	if (version_greater(drm_edid->edid, 1, 0))
> +	if (version_greater(drm_edid, 1, 0))
>   		drm_for_each_detailed_block(drm_edid, do_standard_modes,
>   					    &closure);
>   
> @@ -3476,7 +3481,7 @@ add_cvt_modes(struct drm_connector *connector, const struct drm_edid *drm_edid)
>   		.drm_edid = drm_edid,
>   	};
>   
> -	if (version_greater(drm_edid->edid, 1, 2))
> +	if (version_greater(drm_edid, 1, 2))
>   		drm_for_each_detailed_block(drm_edid, do_cvt_mode, &closure);
>   
>   	/* XXX should also look for CVT codes in VTB blocks */
> @@ -3532,7 +3537,7 @@ static int add_detailed_modes(struct drm_connector *connector,
>   		.quirks = quirks,
>   	};
>   
> -	if (closure.preferred && !version_greater(drm_edid->edid, 1, 3))
> +	if (closure.preferred && !version_greater(drm_edid, 1, 3))
>   		closure.preferred =
>   		    (drm_edid->edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
>   
> @@ -5591,7 +5596,7 @@ static void drm_get_monitor_range(struct drm_connector *connector,
>   {
>   	struct drm_display_info *info = &connector->display_info;
>   
> -	if (!version_greater(drm_edid->edid, 1, 1))
> +	if (!version_greater(drm_edid, 1, 1))
>   		return;
>   
>   	drm_for_each_detailed_block(drm_edid, get_monitor_range,