linux-kernel - [PATCH v3 3/5] drm/msm/a6xx: add GMU_CX_GMU_CX_FALNEXT

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Date:   Tue,  8 Jun 2021 13:27:46 -0400
From:   Jonathan Marek <jonathan@...ek.ca>
To:     freedreno@...ts.freedesktop.org
Cc:     Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        Eric Anholt <eric@...olt.net>,
        Sharat Masetty <smasetty@...eaurora.org>,
        linux-arm-msm@...r.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU),
        dri-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 3/5] drm/msm/a6xx: add GMU_CX_GMU_CX_FALNEXT_INTF write for a650

downstream msm-5.14 kernel added a write to this register, so match that.

Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 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
-- 
2.26.1