RE: [PATCH v2 6/9] drm/msm/a6xx: A640/A650 GMU firmware path

[Ruhl, Michael J]

>-----Original Message-----
>From: Jonathan Marek <jonathan@xxxxxxxx>
>Sent: Tuesday, April 21, 2020 7:41 PM
>To: freedreno@xxxxxxxxxxxxxxxxxxxxx
>Cc: Rob Clark <robdclark@xxxxxxxxx>; Sean Paul <sean@xxxxxxxxxx>; David
>Airlie <airlied@xxxxxxxx>; Daniel Vetter <daniel@xxxxxxxx>; Jordan Crouse
><jcrouse@xxxxxxxxxxxxxx>; Sharat Masetty <smasetty@xxxxxxxxxxxxxx>;
>Ruhl, Michael J <michael.j.ruhl@xxxxxxxxx>; open list:DRM DRIVER FOR MSM
>ADRENO GPU <linux-arm-msm@xxxxxxxxxxxxxxx>; open list:DRM DRIVER FOR
>MSM ADRENO GPU <dri-devel@xxxxxxxxxxxxxxxxxxxxx>; open list <linux-
>kernel@xxxxxxxxxxxxxxx>
>Subject: [PATCH v2 6/9] drm/msm/a6xx: A640/A650 GMU firmware path
>
>Newer GPUs have different GMU firmware path.
>
>Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
>---
> drivers/gpu/drm/msm/adreno/a6xx_gmu.c     | 135 +++++++++++++++++++-
>--
> drivers/gpu/drm/msm/adreno/a6xx_gmu.h     |  11 ++
> drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h |   6 +
> 3 files changed, 136 insertions(+), 16 deletions(-)
>
>diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
>b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
>index b22a69e2f4b0..4aef5fe985d6 100644
>--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
>+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
>@@ -571,6 +571,8 @@ static void a6xx_gmu_power_config(struct a6xx_gmu
>*gmu)
> {
> 	/* Disable GMU WB/RB buffer */
> 	gmu_write(gmu, REG_A6XX_GMU_SYS_BUS_CONFIG, 0x1);
>+	gmu_write(gmu, REG_A6XX_GMU_ICACHE_CONFIG, 0x1);
>+	gmu_write(gmu, REG_A6XX_GMU_DCACHE_CONFIG, 0x1);
>
> 	gmu_write(gmu, REG_A6XX_GMU_PWR_COL_INTER_FRAME_CTRL,
>0x9c40400);
>
>@@ -600,14 +602,91 @@ static void a6xx_gmu_power_config(struct
>a6xx_gmu *gmu)
> 		A6XX_GMU_RPMH_CTRL_GFX_VOTE_ENABLE);
> }
>
>+static int in_range(u32 addr, u32 start, u32 size)
>+{
>+	return addr >= start && addr < start + size;
>+}

Minor nit:

should this return a bool?

M