1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index b3a0941d56fd..f1204b070fb8 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -10,6 +10,7 @@
 #include "etnaviv_gem.h"
 #include "etnaviv_mmu.h"
 #include "etnaviv_drv.h"
+#include "common.xml.h"
 
 struct etnaviv_gem_submit;
 struct etnaviv_vram_mapping;
@@ -159,6 +160,26 @@ static inline u32 gpu_read(struct etnaviv_gpu *gpu, u32 reg)
 	return readl(gpu->mmio + reg);
 }
 
+static inline u32 gpu_fix_power_address(struct etnaviv_gpu *gpu, u32 reg)
+{
+	/* Power registers in GC300 < 2.0 are offset by 0x100 */
+	if (gpu->identity.model == chipModel_GC300 &&
+	    gpu->identity.revision < 0x2000)
+		reg += 0x100;
+
+	return reg;
+}
+
+static inline void gpu_write_power(struct etnaviv_gpu *gpu, u32 reg, u32 data)
+{
+	writel(data, gpu->mmio + gpu_fix_power_address(gpu, reg));
+}
+
+static inline u32 gpu_read_power(struct etnaviv_gpu *gpu, u32 reg)
+{
+	return readl(gpu->mmio + gpu_fix_power_address(gpu, reg));
+}
+
 int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value);
 
 int etnaviv_gpu_init(struct etnaviv_gpu *gpu);