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
