Merge tag 'drm-intel-fixes-2022-12-01' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Fix dram info readout (Radhakrishna Sripada)
- Remove non-existent pipes from bigjoiner pipe mask (Ville Syrjälä)
- Fix negative value passed as remaining time (Janusz Krzysztofik)
- Never return 0 if not all requests retired (Janusz Krzysztofik)

Signed-off-by: Dave Airlie <[email protected]>
From: Tvrtko Ursulin <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/Y4hp+a3TJ13t2ZA1@tursulin-desk

Author: airlied

drivers/gpu/drm/i915/display/intel_display.c

@@ -3723,12 +3723,16 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
 
 static u8 bigjoiner_pipes(struct drm_i915_private *i915)
 {
+	u8 pipes;
+
 	if (DISPLAY_VER(i915) >= 12)
-		return BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D);
+		pipes = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D);
 	else if (DISPLAY_VER(i915) >= 11)
-		return BIT(PIPE_B) | BIT(PIPE_C);
+		pipes = BIT(PIPE_B) | BIT(PIPE_C);
 	else
-		return 0;
+		pipes = 0;
+
+	return pipes & RUNTIME_INFO(i915)->pipe_mask;
 }
 
 static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv,

drivers/gpu/drm/i915/gt/intel_gt.c

@@ -625,8 +625,13 @@ int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout)
 			return -EINTR;
 	}
 
-	return timeout ? timeout : intel_uc_wait_for_idle(&gt->uc,
-							  remaining_timeout);
+	if (timeout)
+		return timeout;
+
+	if (remaining_timeout < 0)
+		remaining_timeout = 0;
+
+	return intel_uc_wait_for_idle(&gt->uc, remaining_timeout);
 }
 
 int intel_gt_init(struct intel_gt *gt)

drivers/gpu/drm/i915/gt/intel_gt_requests.c

@@ -199,7 +199,7 @@ out_active:	spin_lock(&timelines->lock);
 	if (remaining_timeout)
 		*remaining_timeout = timeout;
 
-	return active_count ? timeout : 0;
+	return active_count ? timeout ?: -ETIME : 0;
 }
 
 static void retire_work_handler(struct work_struct *work)

drivers/gpu/drm/i915/intel_dram.c

@@ -471,8 +471,7 @@ static int xelpdp_get_dram_info(struct drm_i915_private *i915)
 	u32 val = intel_uncore_read(&i915->uncore, MTL_MEM_SS_INFO_GLOBAL);
 	struct dram_info *dram_info = &i915->dram_info;
 
-	val = REG_FIELD_GET(MTL_DDR_TYPE_MASK, val);
-	switch (val) {
+	switch (REG_FIELD_GET(MTL_DDR_TYPE_MASK, val)) {
 	case 0:
 		dram_info->type = INTEL_DRAM_DDR4;
 		break;