From c28aa2031f64701d4a1a78f97147e93fc5eb0c04 Mon Sep 17 00:00:00 2001 From: Sharat Masetty Date: Thu, 4 Oct 2018 15:11:41 +0530 Subject: [PATCH] drm/msm/a6xx: Add gmu_read64() register read op Add a simple function to read 64 registers in the GMU domain Signed-off-by: Sharat Masetty Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a6xx_gmu.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h index ad3bc5a77639..f34630c72c4d 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h @@ -98,6 +98,16 @@ static inline void gmu_rmw(struct a6xx_gmu *gmu, u32 reg, u32 mask, u32 or) gmu_write(gmu, reg, val | or); } +static inline u64 gmu_read64(struct a6xx_gmu *gmu, u32 lo, u32 hi) +{ + u64 val; + + val = (u64) msm_readl(gmu->mmio + (lo << 2)); + val |= ((u64) msm_readl(gmu->mmio + (hi << 2)) << 32); + + return val; +} + #define gmu_poll_timeout(gmu, addr, val, cond, interval, timeout) \ readl_poll_timeout((gmu)->mmio + ((addr) << 2), val, cond, \ interval, timeout) -- 2.30.2