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| author |   Alan Previn <alan.previn.teres.alexis@intel.com> | 2022-07-27 19:20:22 -0700 |
|---|---|---|
| committer |   John Harrison <John.C.Harrison@Intel.com> | 2022-08-17 10:06:46 -0700 |
| commit | 5ce27d6210018e972197ff7e5da6309f919fd61b (patch) | |
| tree | ef20da5d1cbf41dbebff863b054fd4a00d37c6d7 | |
| parent | drm/i915/dg2: Add additional tuning settings (diff) | |
| download | linux-dev-5ce27d6210018e972197ff7e5da6309f919fd61b.tar.xz linux-dev-5ce27d6210018e972197ff7e5da6309f919fd61b.zip | |
drm/i915/guc: Add a helper for log buffer size
Add a helper to get GuC log buffer size.
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220728022028.2190627-2-John.C.Harrison@Intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c index 7f1bc8af6b82..e52ac17ad402 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c @@ -15,6 +15,32 @@ static void guc_log_copy_debuglogs_for_relay(struct intel_guc_log *log); +static u32 intel_guc_log_size(struct intel_guc_log *log) +{ + /* + * GuC Log buffer Layout: + * + * NB: Ordering must follow "enum guc_log_buffer_type". + * + * +===============================+ 00B + * | Debug state header | + * +-------------------------------+ 32B + * | Crash dump state header | + * +-------------------------------+ 64B + * | Capture state header | + * +-------------------------------+ 96B + * | | + * +===============================+ PAGE_SIZE (4KB) + * | Debug logs | + * +===============================+ + DEBUG_SIZE + * | Crash Dump logs | + * +===============================+ + CRASH_SIZE + * | Capture logs | + * +===============================+ + CAPTURE_SIZE + */ + return PAGE_SIZE + CRASH_BUFFER_SIZE + DEBUG_BUFFER_SIZE + CAPTURE_BUFFER_SIZE; +} + /** * DOC: GuC firmware log * @@ -461,32 +487,11 @@ int intel_guc_log_create(struct intel_guc_log *log) GEM_BUG_ON(log->vma); - /* - * GuC Log buffer Layout - * (this ordering must follow "enum guc_log_buffer_type" definition) - * - * +===============================+ 00B - * | Debug state header | - * +-------------------------------+ 32B - * | Crash dump state header | - * +-------------------------------+ 64B - * | Capture state header | - * +-------------------------------+ 96B - * | | - * +===============================+ PAGE_SIZE (4KB) - * | Debug logs | - * +===============================+ + DEBUG_SIZE - * | Crash Dump logs | - * +===============================+ + CRASH_SIZE - * | Capture logs | - * +===============================+ + CAPTURE_SIZE - */ if (intel_guc_capture_output_min_size_est(guc) > CAPTURE_BUFFER_SIZE) DRM_WARN("GuC log buffer for state_capture maybe too small. %d < %d\n", CAPTURE_BUFFER_SIZE, intel_guc_capture_output_min_size_est(guc)); - guc_log_size = PAGE_SIZE + CRASH_BUFFER_SIZE + DEBUG_BUFFER_SIZE + - CAPTURE_BUFFER_SIZE; + guc_log_size = intel_guc_log_size(log); vma = intel_guc_allocate_vma(guc, guc_log_size); if (IS_ERR(vma)) { |