drm/i915/guc: Remove log size module parameters

Remove the module parameters for configuring GuC log size.

We should instead rely on tuning the defaults to be usable for
reporting bugs.

v2:
- Use correct 1M unit

Fixes: 8ad0152 ("drm/i915/guc: Make GuC log sizes runtime configurable")
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220826092343.184568-1-joonas.lahtinen@linux.intel.com

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

@@ -79,9 +79,9 @@ static void _guc_log_init_sizes(struct intel_guc_log *log)
 		}
 	};
 	s32 params[GUC_LOG_SECTIONS_LIMIT] = {
-		i915->params.guc_log_size_crash,
-		i915->params.guc_log_size_debug,
-		i915->params.guc_log_size_capture,
+		GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE / SZ_1M,
+		GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE / SZ_1M,
+		GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE / SZ_1M,
 	};
 	int i;
 
@@ -90,7 +90,6 @@ static void _guc_log_init_sizes(struct intel_guc_log *log)
 
 	/* If debug size > 1MB then bump default crash size to keep the same units */
 	if (log->sizes[GUC_LOG_SECTIONS_DEBUG].bytes >= SZ_1M &&
-	    (i915->params.guc_log_size_crash == -1) &&
 	    GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE < SZ_1M)
 		log->sizes[GUC_LOG_SECTIONS_CRASH].bytes = SZ_1M;
 

drivers/gpu/drm/i915/i915_params.c

@@ -171,18 +171,6 @@ i915_param_named(guc_log_level, int, 0400,
 	"GuC firmware logging level. Requires GuC to be loaded. "
 	"(-1=auto [default], 0=disable, 1..4=enable with verbosity min..max)");
 
-i915_param_named(guc_log_size_crash, int, 0400,
-	"GuC firmware logging buffer size for crash dumps (in MB)"
-	"(-1=auto [default], NB: max = 4, other restrictions apply)");
-
-i915_param_named(guc_log_size_debug, int, 0400,
-	"GuC firmware logging buffer size for debug logs (in MB)"
-	"(-1=auto [default], NB: max = 16, other restrictions apply)");
-
-i915_param_named(guc_log_size_capture, int, 0400,
-	"GuC error capture register dump buffer size (in MB)"
-	"(-1=auto [default], NB: max = 4, other restrictions apply)");
-
 i915_param_named_unsafe(guc_firmware_path, charp, 0400,
 	"GuC firmware path to use instead of the default one");
 

drivers/gpu/drm/i915/i915_params.h

@@ -61,9 +61,6 @@ struct drm_printer;
 	param(int, invert_brightness, 0, 0600) \
 	param(int, enable_guc, -1, 0400) \
 	param(int, guc_log_level, -1, 0400) \
-	param(int, guc_log_size_crash, -1, 0400) \
-	param(int, guc_log_size_debug, -1, 0400) \
-	param(int, guc_log_size_capture, -1, 0400) \
 	param(char *, guc_firmware_path, NULL, 0400) \
 	param(char *, huc_firmware_path, NULL, 0400) \
 	param(char *, dmc_firmware_path, NULL, 0400) \