On Mon, Oct 21, 2024 at 04:54:10PM +0300, Jani Nikula wrote:
> Add support for defining aliases for platform groups, such as g4x that
> covers both g45 and gm45.
>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display_device.c | 9 +++++++++
> drivers/gpu/drm/i915/display/intel_display_device.h | 1 +
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c
> index e9d56f8aa3ab..50ffb31662b1 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_device.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_device.c
> @@ -53,6 +53,13 @@ struct platform_desc {
> .platforms._platform = 1, \
> .name = #_platform
>
> +/*
> + * Group platform alias that matches multiple platforms. For aliases such as g4x
> + * that covers both g45 and gm45.
> + */
> +#define PLATFORM_GROUP(_platform) \
> + .platforms._platform = 1
> +
> #define ID(id) (id)
>
> static const struct intel_display_device_info no_display = {};
> @@ -387,6 +394,7 @@ static const struct platform_desc i965gm_desc = {
>
> static const struct platform_desc g45_desc = {
> PLATFORM(g45),
> + PLATFORM_GROUP(g4x),
> .info = &(const struct intel_display_device_info) {
> GEN4_DISPLAY,
>
> @@ -396,6 +404,7 @@ static const struct platform_desc g45_desc = {
>
> static const struct platform_desc gm45_desc = {
> PLATFORM(gm45),
> + PLATFORM_GROUP(g4x),
> .info = &(const struct intel_display_device_info) {
> GEN4_DISPLAY,
> .supports_tv = 1,
> diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
> index b240c28db2cb..745d03f49acf 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_device.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_device.h
> @@ -38,6 +38,7 @@ struct drm_printer;
> func(i965gm) \
> func(g45) \
> func(gm45) \
> + func(g4x) /* group alias for g45 and gm45 */ \
> /* Display ver 5 */ \
> func(ironlake) \
> /* Display ver 6 */ \
> --
> 2.39.5
>
