Hi intel team,
I am working on a intel device with Linux kernel. I am able to see the i915 debugfs interface in path :-
"/sys/kernel/debug/dri/0"
but there are so many interface commands to use as listed below:
!!!!!!!!!!!!!!!!!!!!!!!!!
bufs hs_adjust i915_drpc_info i915_gem_drop_caches i915_gem_inactive i915_gen6_forcewake_count i915_opregion i915_rpm_api name
cb_adjust i915_cache_sharing i915_edp_psr_status i915_gem_fence_regs i915_gem_interrupt i915_gfxec i915_pc8_status i915_rps_init vm
clients i915_capabilities i915_emon_status i915_gem_framebuffer i915_gem_objects i915_inttoext_table i915_ppgtt_info i915_rstdby_delays vma
csc_adjust i915_context_status i915_energy_uJ i915_gem_gtt i915_gem_pageflip i915_iosf_api i915_rc6_api i915_sr_status
csc_enable i915_cur_delayinfo i915_error_state i915_gem_hws i915_gem_pinned i915_ips_status i915_rc6_status i915_swizzle_info
gamma_adjust i915_delayfreq_table i915_fbc_status i915_gem_hws_blt i915_gem_request i915_llc i915_ring_freq_table i915_timestamp
gamma_enable i915_dpio i915_forcewake_user i915_gem_hws_bsd i915_gem_seqno i915_mmio_api i915_ring_hangcheck i915_turbo_api
gem_names i915_dpst_api i915_gem_active i915_gem_hws_vebox i915_gem_stolen i915_next_seqno i915_ring_stop i915_wedged
cb_adjust i915_cache_sharing i915_edp_psr_status i915_gem_fence_regs i915_gem_interrupt i915_gfxec i915_pc8_status i915_rps_init vm
clients i915_capabilities i915_emon_status i915_gem_framebuffer i915_gem_objects i915_inttoext_table i915_ppgtt_info i915_rstdby_delays vma
csc_adjust i915_context_status i915_energy_uJ i915_gem_gtt i915_gem_pageflip i915_iosf_api i915_rc6_api i915_sr_status
csc_enable i915_cur_delayinfo i915_error_state i915_gem_hws i915_gem_pinned i915_ips_status i915_rc6_status i915_swizzle_info
gamma_adjust i915_delayfreq_table i915_fbc_status i915_gem_hws_blt i915_gem_request i915_llc i915_ring_freq_table i915_timestamp
gamma_enable i915_dpio i915_forcewake_user i915_gem_hws_bsd i915_gem_seqno i915_mmio_api i915_ring_hangcheck i915_turbo_api
gem_names i915_dpst_api i915_gem_active i915_gem_hws_vebox i915_gem_stolen i915_next_seqno i915_ring_stop i915_wedged
!!!!!!!!!!!!!!!!!!!!!!!!
But I don't see any README file on how to use each command, I mean what should be command format from shell command prompt, so that we can do the needful activity.
I am new to Linux itself, so it would be helpful if I can get some info on how to use the below interfaces in particular:-
i915_mmio_api
i915_dpst_api
cb_adjust
i915_dpst_api
cb_adjust
And I have one suggestion, please use "DRM_ERROR" in all these interfaces, as they show up in "dmesg", the copy to ubuf is not showing up in dmesg
Please please help me.
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