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-rw-r--r--drivers/gpu/drm/i915/i915_dma.c11
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h11
3 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 2447de36de44..b868e9de9e6b 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -601,6 +601,17 @@ static void intel_device_info_runtime_init(struct drm_device *dev)
info->num_pipes = 0;
}
}
+
+ if (IS_CHERRYVIEW(dev)) {
+ u32 fuse, mask_eu;
+
+ fuse = I915_READ(CHV_FUSE_GT);
+ mask_eu = fuse & (CHV_FGT_EU_DIS_SS0_R0_MASK |
+ CHV_FGT_EU_DIS_SS0_R1_MASK |
+ CHV_FGT_EU_DIS_SS1_R0_MASK |
+ CHV_FGT_EU_DIS_SS1_R1_MASK);
+ info->eu_total = 16 - hweight32(mask_eu);
+ }
}
/**
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ede48628bf85..100f1ff3563c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -653,6 +653,7 @@ struct intel_device_info {
int trans_offsets[I915_MAX_TRANSCODERS];
int palette_offsets[I915_MAX_PIPES];
int cursor_offsets[I915_MAX_PIPES];
+ unsigned int eu_total;
};
#undef DEFINE_FLAG
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a39bb0385bcb..d9692f947d8f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1471,6 +1471,17 @@ enum punit_power_well {
#define GEN8_RC_SEMA_IDLE_MSG_DISABLE (1 << 12)
#define GEN8_FF_DOP_CLOCK_GATE_DISABLE (1<<10)
+/* Fuse readout registers for GT */
+#define CHV_FUSE_GT (VLV_DISPLAY_BASE + 0x2168)
+#define CHV_FGT_EU_DIS_SS0_R0_SHIFT 16
+#define CHV_FGT_EU_DIS_SS0_R0_MASK (0xf << CHV_FGT_EU_DIS_SS0_R0_SHIFT)
+#define CHV_FGT_EU_DIS_SS0_R1_SHIFT 20
+#define CHV_FGT_EU_DIS_SS0_R1_MASK (0xf << CHV_FGT_EU_DIS_SS0_R1_SHIFT)
+#define CHV_FGT_EU_DIS_SS1_R0_SHIFT 24
+#define CHV_FGT_EU_DIS_SS1_R0_MASK (0xf << CHV_FGT_EU_DIS_SS1_R0_SHIFT)
+#define CHV_FGT_EU_DIS_SS1_R1_SHIFT 28
+#define CHV_FGT_EU_DIS_SS1_R1_MASK (0xf << CHV_FGT_EU_DIS_SS1_R1_SHIFT)
+
#define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050
#define GEN6_BSD_SLEEP_MSG_DISABLE (1 << 0)
#define GEN6_BSD_SLEEP_FLUSH_DISABLE (1 << 2)
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