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| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2023-03-09 05:18:57 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-20 02:29:45 +0300 |
| commit | 6b980aa88d403db3e4cf5b58965dfa9a5f27c740 (patch) | |
| tree | 5de8d42cadd9e1439aa720449c55b6ba4abcba56 /drivers/gpu/drm/xe/xe_gt_mcr.c | |
| parent | e84535d86043af8fc9edcbbeb00f2e47e8ccb130 (diff) | |
| download | linux-6b980aa88d403db3e4cf5b58965dfa9a5f27c740.tar.xz | |
drm/xe/mcr: Document how to initialize group/instance
Add a sentence about the initialization so it's clear for newcomers how
to tweak the init functions for new platforms.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_mcr.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_mcr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_mcr.c b/drivers/gpu/drm/xe/xe_gt_mcr.c index ab8fc649ba52..909059112179 100644 --- a/drivers/gpu/drm/xe/xe_gt_mcr.c +++ b/drivers/gpu/drm/xe/xe_gt_mcr.c @@ -34,7 +34,10 @@ * fused off or currently powered down due to power gating, the MMIO operation * is "terminated" by the hardware. Terminated read operations will return a * value of zero and terminated unicast write operations will be silently - * ignored. + * ignored. During device initialization, the goal of the various + * ``init_steering_*()`` functions is to apply the platform-specific rules for + * each MCR register type to identify a steering target that will select a + * non-terminated instance. */ enum { |