On Mon, Sep 30, 2024 at 03:31:03PM +0300, Jani Nikula wrote:
> Make it easier to change the underlying structures by using a macro
> similar to PLATFORM() for initialization.
> 
> The subplatform names in debug logs change slightly as they now reflect
> the enum rather than manually entered names. For example, RAPTORLAKE_S
> rather than RPL-S.
> 
> Signed-off-by: Jani Nikula <[email protected]>
> ---
>  .../drm/i915/display/intel_display_device.c   | 44 ++++++++++---------
>  1 file changed, 24 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c 
> b/drivers/gpu/drm/i915/display/intel_display_device.c
> index 93c751fde1a9..d311edbfc069 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_device.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_device.c
> @@ -37,6 +37,10 @@ struct subplatform_desc {
>       struct stepping_desc step_info;
>  };
>  
> +#define SUBPLATFORM(_platform, _subplatform)                         \
> +     .subplatform = (INTEL_DISPLAY_##_platform##_##_subplatform),    \
> +     .name = #_subplatform
> +
>  struct platform_desc {
>       enum intel_display_platform platform;
>       const char *name;
> @@ -498,11 +502,11 @@ static const struct platform_desc hsw_desc = {
>       PLATFORM(HASWELL),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_HASWELL_ULT, "ULT",
> +                     SUBPLATFORM(HASWELL, ULT),
>                       .pciidlist = hsw_ult_ids,
>               },
>               {
> -                     INTEL_DISPLAY_HASWELL_ULX, "ULX",
> +                     SUBPLATFORM(HASWELL, ULX),
>                       .pciidlist = hsw_ulx_ids,
>               },
>               {},
> @@ -548,11 +552,11 @@ static const struct platform_desc bdw_desc = {
>       PLATFORM(BROADWELL),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_BROADWELL_ULT, "ULT",
> +                     SUBPLATFORM(BROADWELL, ULT),
>                       .pciidlist = bdw_ult_ids,
>               },
>               {
> -                     INTEL_DISPLAY_BROADWELL_ULX, "ULX",
> +                     SUBPLATFORM(BROADWELL, ULX),
>                       .pciidlist = bdw_ulx_ids,
>               },
>               {},
> @@ -645,11 +649,11 @@ static const struct platform_desc skl_desc = {
>       PLATFORM(SKYLAKE),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_SKYLAKE_ULT, "ULT",
> +                     SUBPLATFORM(SKYLAKE, ULT),
>                       .pciidlist = skl_ult_ids,
>               },
>               {
> -                     INTEL_DISPLAY_SKYLAKE_ULX, "ULX",
> +                     SUBPLATFORM(SKYLAKE, ULX),
>                       .pciidlist = skl_ulx_ids,
>               },
>               {},
> @@ -686,11 +690,11 @@ static const struct platform_desc kbl_desc = {
>       PLATFORM(KABYLAKE),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_KABYLAKE_ULT, "ULT",
> +                     SUBPLATFORM(KABYLAKE, ULT),
>                       .pciidlist = kbl_ult_ids,
>               },
>               {
> -                     INTEL_DISPLAY_KABYLAKE_ULX, "ULX",
> +                     SUBPLATFORM(KABYLAKE, ULX),
>                       .pciidlist = kbl_ulx_ids,
>               },
>               {},
> @@ -717,11 +721,11 @@ static const struct platform_desc cfl_desc = {
>       PLATFORM(COFFEELAKE),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_COFFEELAKE_ULT, "ULT",
> +                     SUBPLATFORM(COFFEELAKE, ULT),
>                       .pciidlist = cfl_ult_ids,
>               },
>               {
> -                     INTEL_DISPLAY_COFFEELAKE_ULX, "ULX",
> +                     SUBPLATFORM(COFFEELAKE, ULX),
>                       .pciidlist = cfl_ulx_ids,
>               },
>               {},
> @@ -739,7 +743,7 @@ static const struct platform_desc cml_desc = {
>       PLATFORM(COMETLAKE),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_COMETLAKE_ULT, "ULT",
> +                     SUBPLATFORM(COMETLAKE, ULT),
>                       .pciidlist = cml_ult_ids,
>               },
>               {},
> @@ -858,7 +862,7 @@ static const struct platform_desc icl_desc = {
>       PLATFORM(ICELAKE),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_ICELAKE_PORT_F, "Port F",
> +                     SUBPLATFORM(ICELAKE, PORT_F),
>                       .pciidlist = icl_port_f_ids,
>               },
>               {},
> @@ -958,7 +962,7 @@ static const struct platform_desc tgl_desc = {
>       PLATFORM(TIGERLAKE),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_TIGERLAKE_UY, "UY",
> +                     SUBPLATFORM(TIGERLAKE, UY),
>                       .pciidlist = tgl_uy_ids,
>                       STEP_INFO(tgl_uy_steppings),
>               },
> @@ -1038,7 +1042,7 @@ static const struct platform_desc adl_s_desc = {
>       PLATFORM(ALDERLAKE_S),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_ALDERLAKE_S_RAPTORLAKE_S, "RPL-S",
> +                     SUBPLATFORM(ALDERLAKE_S, RAPTORLAKE_S),

these gets a bit strange now, but anyway, it is correct...

Reviewed-by: Rodrigo Vivi <[email protected]>


>                       .pciidlist = adls_rpls_ids,
>                       STEP_INFO(adl_s_rpl_s_steppings),
>               },
> @@ -1145,17 +1149,17 @@ static const struct platform_desc adl_p_desc = {
>       PLATFORM(ALDERLAKE_P),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_ALDERLAKE_P_ALDERLAKE_N, "ADL-N",
> +                     SUBPLATFORM(ALDERLAKE_P, ALDERLAKE_N),
>                       .pciidlist = adlp_adln_ids,
>                       STEP_INFO(adl_p_adl_n_steppings),
>               },
>               {
> -                     INTEL_DISPLAY_ALDERLAKE_P_RAPTORLAKE_P, "RPL-P",
> +                     SUBPLATFORM(ALDERLAKE_P, RAPTORLAKE_P),
>                       .pciidlist = adlp_rplp_ids,
>                       STEP_INFO(adl_p_rpl_pu_steppings),
>               },
>               {
> -                     INTEL_DISPLAY_ALDERLAKE_P_RAPTORLAKE_U, "RPL-U",
> +                     SUBPLATFORM(ALDERLAKE_P, RAPTORLAKE_U),
>                       .pciidlist = adlp_rplu_ids,
>                       STEP_INFO(adl_p_rpl_pu_steppings),
>               },
> @@ -1213,17 +1217,17 @@ static const struct platform_desc dg2_desc = {
>       PLATFORM(DG2),
>       .subplatforms = (const struct subplatform_desc[]) {
>               {
> -                     INTEL_DISPLAY_DG2_G10, "G10",
> +                     SUBPLATFORM(DG2, G10),
>                       .pciidlist = dg2_g10_ids,
>                       STEP_INFO(dg2_g10_steppings),
>               },
>               {
> -                     INTEL_DISPLAY_DG2_G11, "G11",
> +                     SUBPLATFORM(DG2, G11),
>                       .pciidlist = dg2_g11_ids,
>                       STEP_INFO(dg2_g11_steppings),
>               },
>               {
> -                     INTEL_DISPLAY_DG2_G12, "G12",
> +                     SUBPLATFORM(DG2, G12),
>                       .pciidlist = dg2_g12_ids,
>                       STEP_INFO(dg2_g12_steppings),
>               },
> -- 
> 2.39.5
> 

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