On Wed, 2020-07-01 at 16:27 +0200, Michał Winiarski wrote:
> From: Michał Winiarski <michal.winiarski@xxxxxxxxx>
>
> The information about platform/driver/user view of GuC firmware usage
> currently requires user to either go through kernel log or parse the
> combination of "enable_guc" modparam and various debugfs entries.
> Let's keep things simple and add a "supported/used/wanted" matrix
> (already used internally by i915) in guc_info debugfs.
>
> Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
LGTM
Reviewed-by: Lukasz Fiedorowicz <lukasz.fiedorowicz@xxxxxxxxx>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Cc: Lukasz Fiedorowicz <lukasz.fiedorowicz@xxxxxxxxx>
> Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/uc/intel_guc.c | 23 ++++++++++++++++-------
> 1 file changed, 16 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> index 861657897c0f..446a41946f56 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> @@ -733,19 +733,28 @@ int intel_guc_allocate_and_map_vma(struct
> intel_guc *guc, u32 size,
> */
> void intel_guc_load_status(struct intel_guc *guc, struct drm_printer
> *p)
> {
> + struct intel_uc *uc = container_of(guc, struct intel_uc, guc);
> struct intel_gt *gt = guc_to_gt(guc);
> struct intel_uncore *uncore = gt->uncore;
> intel_wakeref_t wakeref;
>
> - if (!intel_guc_is_supported(guc)) {
> - drm_printf(p, "GuC not supported\n");
> + drm_printf(p, "[guc] supported:%s wanted:%s used:%s\n",
> + yesno(intel_uc_supports_guc(uc)),
> + yesno(intel_uc_wants_guc(uc)),
> + yesno(intel_uc_uses_guc(uc)));
> + drm_printf(p, "[huc] supported:%s wanted:%s used:%s\n",
> + yesno(intel_uc_supports_huc(uc)),
> + yesno(intel_uc_wants_huc(uc)),
> + yesno(intel_uc_uses_huc(uc)));
> + drm_printf(p, "[submission] supported:%s wanted:%s used:%s\n",
> + yesno(intel_uc_supports_guc_submission(uc)),
> + yesno(intel_uc_wants_guc_submission(uc)),
> + yesno(intel_uc_uses_guc_submission(uc)));
> +
> + if (!intel_guc_is_supported(guc) || !intel_guc_is_wanted(guc))
> return;
> - }
>
> - if (!intel_guc_is_wanted(guc)) {
> - drm_printf(p, "GuC disabled\n");
> - return;
> - }
> + drm_puts(p, "\n");
>
> intel_uc_fw_dump(&guc->fw, p);
>
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