Re: [PATCH v2 3/6] drm/i915: Stop inheriting IP_VER(12, 50)

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Quoting Lucas De Marchi (2024-03-12 20:51:42-03:00)
>All the platforms that inherit the media/graphics version
>from XE_HPM_FEATURES / XE_HP_FEATURES just override it to another
>version. Just set the version directly in the respective struct
>and remove the versions from the _FEATURES macros. Since that was the
>only use for XE_HPM_FEATURES, remove it completely.
>
>Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

I took a look at the patch and also checked with the following script:

    #!/bin/bash

    parse_info()
    {
        local rev=$1
        local out=$2

        echo "Generating info for $(git log -n1 --format="%h %s" "$rev")"
        git checkout "$rev"
        make drivers/gpu/drm/i915/i915_pci.i
        echo

        cat drivers/gpu/drm/i915/i915_pci.i \
            | grep -o \
                -e 'struct\s\+intel_device_info\s\+[^=]\+' \
                -e '.__runtime.\(graphics\|media\).ip.\(ver\|rel\)\s*=[^,]\+' \
            | awk '
                /intel_device_info/ { cur_info_var = $3 }
                /__runtime/ { info[cur_info_var "::" $1] = cur_info_var "::" $0 }
                END {
                    for (k in info) {
                        print info[k]
                    }
                }
            ' \
            | sort \
        > $out
    }

    parse_info c70b324e95d2a06d663111ce3498729e1f9729f9~ /tmp/a
    parse_info c70b324e95d2a06d663111ce3498729e1f9729f9 /tmp/b

    diff_content=$(git diff --no-index -- /tmp/a /tmp/b)
    if [[ -z $diff_content ]]; then
        echo "Patch looks sane :-)"
    else
        echo "Patch generates different IP versions!"
        echo
        print $diff_content
    fi

And I got the following output:

    Generating info for eba0fccec7de drm/i915: Remove XEHP_FWRANGES()
    Previous HEAD position was c70b324e95d2 drm/i915: Stop inheriting IP_VER(12, 50)
    HEAD is now at eba0fccec7de drm/i915: Remove XEHP_FWRANGES()
      CALL    scripts/checksyscalls.sh
      DESCEND objtool
      INSTALL libsubcmd_headers
      CPP [M] drivers/gpu/drm/i915/i915_pci.i

    Generating info for c70b324e95d2 drm/i915: Stop inheriting IP_VER(12, 50)
    Previous HEAD position was eba0fccec7de drm/i915: Remove XEHP_FWRANGES()
    HEAD is now at c70b324e95d2 drm/i915: Stop inheriting IP_VER(12, 50)
      CALL    scripts/checksyscalls.sh
      DESCEND objtool
      INSTALL libsubcmd_headers
      CPP [M] drivers/gpu/drm/i915/i915_pci.i

    Patch looks sane :-)

Based on that,

Reviewed-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>

>---
> drivers/gpu/drm/i915/i915_pci.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
>index b318b7c6bf73..8b673fdcf178 100644
>--- a/drivers/gpu/drm/i915/i915_pci.c
>+++ b/drivers/gpu/drm/i915/i915_pci.c
>@@ -705,8 +705,6 @@ static const struct intel_device_info adl_p_info = {
>                 I915_GTT_PAGE_SIZE_2M
> 
> #define XE_HP_FEATURES \
>-        .__runtime.graphics.ip.ver = 12, \
>-        .__runtime.graphics.ip.rel = 50, \
>         XE_HP_PAGE_SIZES, \
>         TGL_CACHELEVEL, \
>         .dma_mask_size = 46, \
>@@ -730,15 +728,12 @@ static const struct intel_device_info adl_p_info = {
>         .__runtime.ppgtt_size = 48, \
>         .__runtime.ppgtt_type = INTEL_PPGTT_FULL
> 
>-#define XE_HPM_FEATURES \
>-        .__runtime.media.ip.ver = 12, \
>-        .__runtime.media.ip.rel = 50
>-
> #define DG2_FEATURES \
>         XE_HP_FEATURES, \
>-        XE_HPM_FEATURES, \
>         DGFX_FEATURES, \
>+        .__runtime.graphics.ip.ver = 12, \
>         .__runtime.graphics.ip.rel = 55, \
>+        .__runtime.media.ip.ver = 12, \
>         .__runtime.media.ip.rel = 55, \
>         PLATFORM(INTEL_DG2), \
>         .has_64k_pages = 1, \
>@@ -773,9 +768,10 @@ static const struct intel_device_info ats_m_info = {
> __maybe_unused
> static const struct intel_device_info pvc_info = {
>         XE_HPC_FEATURES,
>-        XE_HPM_FEATURES,
>         DGFX_FEATURES,
>+        .__runtime.graphics.ip.ver = 12,
>         .__runtime.graphics.ip.rel = 60,
>+        .__runtime.media.ip.ver = 12,
>         .__runtime.media.ip.rel = 60,
>         PLATFORM(INTEL_PONTEVECCHIO),
>         .has_flat_ccs = 0,
>-- 
>2.43.0
>




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