From: Alan Previn <alan.previn.teres.alexis@xxxxxxxxx> Add a helper to get GuC log buffer size. Signed-off-by: Alan Previn <alan.previn.teres.alexis@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 49 ++++++++++++---------- 1 file 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 ff091adb56096..4bb81d2cf3828 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)) { -- 2.36.0