Commit 1113fc0e authored by John Harrison's avatar John Harrison
Browse files

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

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



Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Reviewed-by: default avatarJulia Filipchuk <julia.filipchuk@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241221011925.3944625-1-John.C.Harrison@Intel.com
parent 9ef80eec

drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c

+3 −0
Original line number Diff line number Diff line
@@ -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;