[Intel-gfx] [PATCH 20/21] drm/i915: constify clock gating init vtable.
Jani Nikula
jani.nikula at linux.intel.com
Wed Sep 8 12:00:34 UTC 2021
On Wed, 08 Sep 2021, Jani Nikula <jani.nikula at linux.intel.com> wrote:
> On Wed, 08 Sep 2021, Dave Airlie <airlied at gmail.com> wrote:
>> From: Dave Airlie <airlied at redhat.com>
>>
>> I used a macro to avoid making any really silly mistakes here.
>> ---
>> drivers/gpu/drm/i915/i915_drv.h | 2 +-
>> drivers/gpu/drm/i915/intel_pm.c | 77 +++++++++++++++++++++++----------
>> 2 files changed, 54 insertions(+), 25 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
>> index fbcafc7cc075..44094a25a110 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.h
>> +++ b/drivers/gpu/drm/i915/i915_drv.h
>> @@ -990,7 +990,7 @@ struct drm_i915_private {
>> struct workqueue_struct *flip_wq;
>>
>> /* pm private clock gating functions */
>> - struct drm_i915_cg_funcs cg_funcs;
>> + const struct drm_i915_cg_funcs *cg_funcs;
>>
>> /* pm display functions */
>> struct drm_i915_wm_disp_funcs wm_disp;
>> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
>> index 7a457646fb84..44f5582531ac 100644
>> --- a/drivers/gpu/drm/i915/intel_pm.c
>> +++ b/drivers/gpu/drm/i915/intel_pm.c
>> @@ -7871,7 +7871,7 @@ static void i830_init_clock_gating(struct drm_i915_private *dev_priv)
>>
>> void intel_init_clock_gating(struct drm_i915_private *dev_priv)
>> {
>> - dev_priv->cg_funcs.init_clock_gating(dev_priv);
>> + dev_priv->cg_funcs->init_clock_gating(dev_priv);
>> }
>>
>> void intel_suspend_hw(struct drm_i915_private *dev_priv)
>> @@ -7886,6 +7886,35 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv)
>> "No clock gating settings or workarounds applied.\n");
>> }
>>
>> +#define CG_FUNCS(platform) \
>> +static const struct drm_i915_cg_funcs platform##_cg_funcs = { \
>> + .init_clock_gating = platform##_init_clock_gating \
>> +}
>> +
>> +CG_FUNCS(adlp);
>> +CG_FUNCS(dg1);
>> +CG_FUNCS(gen12lp);
>> +CG_FUNCS(icl);
>> +CG_FUNCS(cfl);
>> +CG_FUNCS(skl);
>> +CG_FUNCS(kbl);
>> +CG_FUNCS(bxt);
>> +CG_FUNCS(glk);
>> +CG_FUNCS(bdw);
>> +CG_FUNCS(chv);
>> +CG_FUNCS(hsw);
>> +CG_FUNCS(ivb);
>> +CG_FUNCS(vlv);
>> +CG_FUNCS(gen6);
>> +CG_FUNCS(ilk);
>> +CG_FUNCS(g4x);
>> +CG_FUNCS(i965gm);
>> +CG_FUNCS(i965g);
>> +CG_FUNCS(gen3);
>> +CG_FUNCS(i85x);
>> +CG_FUNCS(i830);
>> +CG_FUNCS(nop);
>
> #undef CF_FUNCS
#undef CG_FUNCS, obviously.
>
> Reviewed-by: Jani Nikula <jani.nikula at intel.com>
>
>
>> +
>> /**
>> * intel_init_clock_gating_hooks - setup the clock gating hooks
>> * @dev_priv: device private
>> @@ -7898,52 +7927,52 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv)
>> void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv)
>> {
>> if (IS_ALDERLAKE_P(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = adlp_init_clock_gating;
>> + dev_priv->cg_funcs = &adlp_cg_funcs;
>> else if (IS_DG1(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = dg1_init_clock_gating;
>> + dev_priv->cg_funcs = &dg1_cg_funcs;
>> else if (GRAPHICS_VER(dev_priv) == 12)
>> - dev_priv->cg_funcs.init_clock_gating = gen12lp_init_clock_gating;
>> + dev_priv->cg_funcs = &gen12lp_cg_funcs;
>> else if (GRAPHICS_VER(dev_priv) == 11)
>> - dev_priv->cg_funcs.init_clock_gating = icl_init_clock_gating;
>> + dev_priv->cg_funcs = &icl_cg_funcs;
>> else if (IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = cfl_init_clock_gating;
>> + dev_priv->cg_funcs = &cfl_cg_funcs;
>> else if (IS_SKYLAKE(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = skl_init_clock_gating;
>> + dev_priv->cg_funcs = &skl_cg_funcs;
>> else if (IS_KABYLAKE(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = kbl_init_clock_gating;
>> + dev_priv->cg_funcs = &kbl_cg_funcs;
>> else if (IS_BROXTON(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = bxt_init_clock_gating;
>> + dev_priv->cg_funcs = &bxt_cg_funcs;
>> else if (IS_GEMINILAKE(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = glk_init_clock_gating;
>> + dev_priv->cg_funcs = &glk_cg_funcs;
>> else if (IS_BROADWELL(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = bdw_init_clock_gating;
>> + dev_priv->cg_funcs = &bdw_cg_funcs;
>> else if (IS_CHERRYVIEW(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = chv_init_clock_gating;
>> + dev_priv->cg_funcs = &chv_cg_funcs;
>> else if (IS_HASWELL(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = hsw_init_clock_gating;
>> + dev_priv->cg_funcs = &hsw_cg_funcs;
>> else if (IS_IVYBRIDGE(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = ivb_init_clock_gating;
>> + dev_priv->cg_funcs = &ivb_cg_funcs;
>> else if (IS_VALLEYVIEW(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = vlv_init_clock_gating;
>> + dev_priv->cg_funcs = &vlv_cg_funcs;
>> else if (GRAPHICS_VER(dev_priv) == 6)
>> - dev_priv->cg_funcs.init_clock_gating = gen6_init_clock_gating;
>> + dev_priv->cg_funcs = &gen6_cg_funcs;
>> else if (GRAPHICS_VER(dev_priv) == 5)
>> - dev_priv->cg_funcs.init_clock_gating = ilk_init_clock_gating;
>> + dev_priv->cg_funcs = &ilk_cg_funcs;
>> else if (IS_G4X(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = g4x_init_clock_gating;
>> + dev_priv->cg_funcs = &g4x_cg_funcs;
>> else if (IS_I965GM(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = i965gm_init_clock_gating;
>> + dev_priv->cg_funcs = &i965gm_cg_funcs;
>> else if (IS_I965G(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = i965g_init_clock_gating;
>> + dev_priv->cg_funcs = &i965g_cg_funcs;
>> else if (GRAPHICS_VER(dev_priv) == 3)
>> - dev_priv->cg_funcs.init_clock_gating = gen3_init_clock_gating;
>> + dev_priv->cg_funcs = &gen3_cg_funcs;
>> else if (IS_I85X(dev_priv) || IS_I865G(dev_priv))
>> - dev_priv->cg_funcs.init_clock_gating = i85x_init_clock_gating;
>> + dev_priv->cg_funcs = &i85x_cg_funcs;
>> else if (GRAPHICS_VER(dev_priv) == 2)
>> - dev_priv->cg_funcs.init_clock_gating = i830_init_clock_gating;
>> + dev_priv->cg_funcs = &i830_cg_funcs;
>> else {
>> MISSING_CASE(INTEL_DEVID(dev_priv));
>> - dev_priv->cg_funcs.init_clock_gating = nop_init_clock_gating;
>> + dev_priv->cg_funcs = &nop_cg_funcs;
>> }
>> }
--
Jani Nikula, Intel Open Source Graphics Center
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