Re: [PATCH v3 3/5] drm/msm/a6xx: add GMU_CX_GMU_CX_FALNEXT_INTF write for a650

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On 6/8/21 1:27 PM, Jonathan Marek wrote:
downstream msm-5.14 kernel added a write to this register, so match that.


Note: this should say msm-5.4 (msm-5.14 is not a thing)

Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
---
  drivers/gpu/drm/msm/adreno/a6xx_gmu.c     | 4 +++-
  drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h | 2 ++
  2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index c1ee02d6371d..0f3390eab55e 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -751,8 +751,10 @@ static int a6xx_gmu_fw_start(struct a6xx_gmu *gmu, unsigned int state)
  	int ret;
  	u32 chipid;
- if (adreno_is_a650(adreno_gpu))
+	if (adreno_is_a650(adreno_gpu)) {
+		gmu_write(gmu, REG_A6XX_GPU_GMU_CX_GMU_CX_FALNEXT_INTF, 1);
  		gmu_write(gmu, REG_A6XX_GPU_GMU_CX_GMU_CX_FAL_INTF, 1);
+	}
if (state == GMU_WARM_BOOT) {
  		ret = a6xx_rpmh_start(gmu);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h
index 5a43d3090b0c..eeef3d6d89b8 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h
@@ -292,6 +292,8 @@ static inline uint32_t A6XX_GMU_GPU_NAP_CTRL_SID(uint32_t val)
#define REG_A6XX_GPU_GMU_CX_GMU_CX_FAL_INTF 0x000050f0 +#define REF_A6XX_GPU_GMU_CX_GMU_CX_FALNEXT_INTF 0x000050f1
+
  #define REG_A6XX_GPU_GMU_CX_GMU_PWR_COL_CP_MSG			0x00005100
#define REG_A6XX_GPU_GMU_CX_GMU_PWR_COL_CP_RESP 0x00005101




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