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drm/i915: Add debug print about hw config table size

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Add debug info to help investigate a very rare bug:
  https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13385

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Julia Filipchuk <julia.filipchuk@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241221011925.3944625-1-John.C.Harrison@Intel.com
This commit is contained in:
John Harrison
2024-12-20 17:19:25 -08:00
parent 9ef80eec5f
commit 1113fc0e82
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c
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@@ -7,6 +7,7 @@
#include "gt/intel_hwconfig.h"
#include "i915_drv.h"
#include "i915_memcpy.h"
#include "intel_guc_print.h"
/*
* GuC has a blob containing hardware configuration information (HWConfig).
@@ -42,6 +43,8 @@ static int __guc_action_get_hwconfig(struct intel_guc *guc,
};
int ret;
guc_dbg(guc, "Querying HW config table: size = %d, offset = 0x%08X\n",
ggtt_size, ggtt_offset);
ret = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action), NULL, 0);
if (ret == -ENXIO)
return -ENOENT;