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authorMichal Wajdeczko2019-05-27 20:35:59 +0200
committerChris Wilson2019-05-28 11:07:02 +0200
commitffd5ce22faa4d07a07085b497717d7650f72fd5f (patch)
tree7d492e9c9e957856da5493216c3d33ca06879a61 /drivers/gpu/drm/i915/intel_guc.c
parentdrm/i915/guc: Don't allow GuC submission (diff)
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drm/i915/guc: Updates for GuC 32.0.3 firmware
New GuC 32.0.3 firmware made many changes around its ABI that require driver updates: * FW release version numbering schema now includes patch number * FW release version encoding in CSS header * Boot parameters * Suspend/resume protocol * Sample-forcewake command * Additional Data Structures (ADS) This commit is a squash of patches 3-8 from series [1]. [1] https://patchwork.freedesktop.org/series/58760/ Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Jeff Mcgee <jeff.mcgee@intel.com> Cc: John Spotswood <john.a.spotswood@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Tomasz Lis <tomasz.lis@intel.com> Acked-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> # numbering schema Acked-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> # ccs heaser Acked-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> # boot params Acked-by: John Spotswood <john.a.spotswood@intel.com> # suspend/resume Acked-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> # sample-forcewake Acked-by: John Spotswood <john.a.spotswood@intel.com> # sample-forcewake Acked-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> # ADS Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190527183613.17076-4-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_guc.c88
1 files changed, 34 insertions, 54 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index c4ac29309fcc..60e6463a3aac 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -250,14 +250,7 @@ void intel_guc_fini(struct intel_guc *guc)
static u32 guc_ctl_debug_flags(struct intel_guc *guc)
{
u32 level = intel_guc_log_get_level(&guc->log);
- u32 flags;
- u32 ads;
-
- ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >> PAGE_SHIFT;
- flags = ads << GUC_ADS_ADDR_SHIFT | GUC_ADS_ENABLED;
-
- if (!GUC_LOG_LEVEL_IS_ENABLED(level))
- flags |= GUC_LOG_DEFAULT_DISABLED;
+ u32 flags = 0;
if (!GUC_LOG_LEVEL_IS_VERBOSE(level))
flags |= GUC_LOG_DISABLED;
@@ -272,11 +265,7 @@ static u32 guc_ctl_feature_flags(struct intel_guc *guc)
{
u32 flags = 0;
- flags |= GUC_CTL_VCS2_ENABLED;
-
- if (USES_GUC_SUBMISSION(guc_to_i915(guc)))
- flags |= GUC_CTL_KERNEL_SUBMISSIONS;
- else
+ if (!USES_GUC_SUBMISSION(guc_to_i915(guc)))
flags |= GUC_CTL_DISABLE_SCHEDULER;
return flags;
@@ -340,6 +329,14 @@ static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
return flags;
}
+static u32 guc_ctl_ads_flags(struct intel_guc *guc)
+{
+ u32 ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >> PAGE_SHIFT;
+ u32 flags = ads << GUC_ADS_ADDR_SHIFT;
+
+ return flags;
+}
+
/*
* Initialise the GuC parameter block before starting the firmware
* transfer. These parameters are read by the firmware on startup
@@ -353,20 +350,11 @@ void intel_guc_init_params(struct intel_guc *guc)
memset(params, 0, sizeof(params));
- /*
- * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
- * second. This ARAR is calculated by:
- * Scheduler-Quantum-in-ns / ARAT-increment-in-ns = 1000000000 / 10
- */
- params[GUC_CTL_ARAT_HIGH] = 0;
- params[GUC_CTL_ARAT_LOW] = 100000000;
-
- params[GUC_CTL_WA] |= GUC_CTL_WA_UK_BY_DRIVER;
-
+ params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
+ params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
params[GUC_CTL_FEATURE] = guc_ctl_feature_flags(guc);
- params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
params[GUC_CTL_DEBUG] = guc_ctl_debug_flags(guc);
- params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
+ params[GUC_CTL_ADS] = guc_ctl_ads_flags(guc);
for (i = 0; i < GUC_CTL_MAX_DWORDS; i++)
DRM_DEBUG_DRIVER("param[%2d] = %#x\n", i, params[i]);
@@ -550,25 +538,33 @@ int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset)
return intel_guc_send(guc, action, ARRAY_SIZE(action));
}
-/*
- * The ENTER/EXIT_S_STATE actions queue the save/restore operation in GuC FW and
- * then return, so waiting on the H2G is not enough to guarantee GuC is done.
- * When all the processing is done, GuC writes INTEL_GUC_SLEEP_STATE_SUCCESS to
- * scratch register 14, so we can poll on that. Note that GuC does not ensure
- * that the value in the register is different from
- * INTEL_GUC_SLEEP_STATE_SUCCESS while the action is in progress so we need to
- * take care of that ourselves as well.
+/**
+ * intel_guc_suspend() - notify GuC entering suspend state
+ * @guc: the guc
*/
-static int guc_sleep_state_action(struct intel_guc *guc,
- const u32 *action, u32 len)
+int intel_guc_suspend(struct intel_guc *guc)
{
struct drm_i915_private *dev_priv = guc_to_i915(guc);
int ret;
u32 status;
+ u32 action[] = {
+ INTEL_GUC_ACTION_ENTER_S_STATE,
+ GUC_POWER_D1, /* any value greater than GUC_POWER_D0 */
+ };
+
+ /*
+ * The ENTER_S_STATE action queues the save/restore operation in GuC FW
+ * and then returns, so waiting on the H2G is not enough to guarantee
+ * GuC is done. When all the processing is done, GuC writes
+ * INTEL_GUC_SLEEP_STATE_SUCCESS to scratch register 14, so we can poll
+ * on that. Note that GuC does not ensure that the value in the register
+ * is different from INTEL_GUC_SLEEP_STATE_SUCCESS while the action is
+ * in progress so we need to take care of that ourselves as well.
+ */
I915_WRITE(SOFT_SCRATCH(14), INTEL_GUC_SLEEP_STATE_INVALID_MASK);
- ret = intel_guc_send(guc, action, len);
+ ret = intel_guc_send(guc, action, ARRAY_SIZE(action));
if (ret)
return ret;
@@ -589,21 +585,6 @@ static int guc_sleep_state_action(struct intel_guc *guc,
}
/**
- * intel_guc_suspend() - notify GuC entering suspend state
- * @guc: the guc
- */
-int intel_guc_suspend(struct intel_guc *guc)
-{
- u32 data[] = {
- INTEL_GUC_ACTION_ENTER_S_STATE,
- GUC_POWER_D1, /* any value greater than GUC_POWER_D0 */
- intel_guc_ggtt_offset(guc, guc->shared_data)
- };
-
- return guc_sleep_state_action(guc, data, ARRAY_SIZE(data));
-}
-
-/**
* intel_guc_reset_engine() - ask GuC to reset an engine
* @guc: intel_guc structure
* @engine: engine to be reset
@@ -632,13 +613,12 @@ int intel_guc_reset_engine(struct intel_guc *guc,
*/
int intel_guc_resume(struct intel_guc *guc)
{
- u32 data[] = {
+ u32 action[] = {
INTEL_GUC_ACTION_EXIT_S_STATE,
GUC_POWER_D0,
- intel_guc_ggtt_offset(guc, guc->shared_data)
};
- return guc_sleep_state_action(guc, data, ARRAY_SIZE(data));
+ return intel_guc_send(guc, action, ARRAY_SIZE(action));
}
/**