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authorMichal Wajdeczko <michal.wajdeczko@intel.com>2019-07-12 14:14:44 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2019-07-12 16:23:03 +0300
commit87d855e8cfa48613423357587dfbfe29bec23abe (patch)
tree215b67d9f6aaa1c4b4976f3dca3150d633836fa0 /drivers/gpu/drm/i915/intel_uc.c
parent0b61b8b07f6bc54b3e255bc40f63c3adfa968594 (diff)
downloadlinux-87d855e8cfa48613423357587dfbfe29bec23abe.tar.xz
drm/i915/guc: Don't enable GuC/HuC in auto mode on pre-Gen11
We are about to change default setting of "enable_guc" modparam from 0(disabled) to -1(auto). As we only want to turn on GuC/HuC on Gen11+, keep it off for older gens. Note that it would be still possible to enable GuC/HuC on these old platforms using explicit "enable_guc=2" modparam. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190712111445.21040-2-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_uc.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index fdf00f1ebb57..72bbcb2597fd 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -58,12 +58,16 @@ static int __get_platform_enable_guc(struct drm_i915_private *i915)
struct intel_uc_fw *huc_fw = &i915->huc.fw;
int enable_guc = 0;
- /* Default is to use HuC if we know GuC and HuC firmwares */
+ if (!HAS_GUC(i915))
+ return 0;
+
+ /* We don't want to enable GuC/HuC on pre-Gen11 by default */
+ if (INTEL_GEN(i915) < 11)
+ return 0;
+
if (intel_uc_fw_is_selected(guc_fw) && intel_uc_fw_is_selected(huc_fw))
enable_guc |= ENABLE_GUC_LOAD_HUC;
- /* Any platform specific fine-tuning can be done here */
-
return enable_guc;
}