This will allow supporting different hwcg tables for a6xx.
Signed-off-by: Jonathan Marek jonathan@marek.ca --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 25 ++++++++++------------ drivers/gpu/drm/msm/adreno/adreno_device.c | 1 + drivers/gpu/drm/msm/adreno/adreno_gpu.h | 8 +++++++ 3 files changed, 20 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 3397e5e00d1c..ddcbc57ac25d 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -151,10 +151,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, a6xx_flush(gpu, ring); }
-static const struct { - u32 offset; - u32 value; -} a6xx_hwcg[] = { +const struct adreno_reglist a630_hwcg[] = { {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_SP1, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_SP2, 0x22222222}, @@ -259,7 +256,8 @@ static const struct { {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222}, {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222}, {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111}, - {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555} + {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555}, + {}, };
static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state) @@ -267,9 +265,13 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state) struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct a6xx_gmu *gmu = &a6xx_gpu->gmu; + const struct adreno_reglist *reg; unsigned int i; u32 val;
+ if (!adreno_gpu->info->hwcg) + return; + val = gpu_read(gpu, REG_A6XX_RBBM_CLOCK_CNTL);
/* Don't re-program the registers if they are already correct */ @@ -279,9 +281,8 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state) /* Disable SP clock before programming HWCG registers */ gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0);
- for (i = 0; i < ARRAY_SIZE(a6xx_hwcg); i++) - gpu_write(gpu, a6xx_hwcg[i].offset, - state ? a6xx_hwcg[i].value : 0); + for (i = 0; (reg = &adreno_gpu->info->hwcg[i], reg->offset); i++) + gpu_write(gpu, reg->offset, state ? reg->value : 0);
/* Enable SP clock */ gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1); @@ -437,12 +438,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A6XX_TPL1_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_ADDR_MODE_CNTL, 0x1);
- /* - * enable hardware clockgating - * For now enable clock gating only for a630 - */ - if (adreno_is_a630(adreno_gpu)) - a6xx_set_hwcg(gpu, true); + /* enable hardware clockgating */ + a6xx_set_hwcg(gpu, true);
/* VBIF/GBIF start*/ if (adreno_is_a640(adreno_gpu) || adreno_is_a650(adreno_gpu)) { diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 7732f03d9e3a..97996e7fc668 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -200,6 +200,7 @@ static const struct adreno_info gpulist[] = { .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a6xx_gpu_init, .zapfw = "a630_zap.mdt", + .hwcg = a630_hwcg, }, { .rev = ADRENO_REV(6, 4, 0, ANY_ID), .revn = 640, diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 2f5d2c3acc3a..426cabd374bb 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -68,6 +68,13 @@ struct adreno_gpu_funcs { int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value); };
+struct adreno_reglist { + u32 offset; + u32 value; +}; + +extern const struct adreno_reglist a630_hwcg[]; + struct adreno_info { struct adreno_rev rev; uint32_t revn; @@ -78,6 +85,7 @@ struct adreno_info { struct msm_gpu *(*init)(struct drm_device *dev); const char *zapfw; u32 inactive_period; + const struct adreno_reglist *hwcg; };
const struct adreno_info *adreno_info(struct adreno_rev rev);