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drm/msm/adreno: support for adreno 430.

Browse Source 
Signed-off-by: Craig Stout <cstout@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Craig Stout 2016-02-18 16:50:00 -08:00 committed by Rob Clark
parent a2272e48ee
commit 357ff00b08
4 changed files with 52 additions and 7 deletions
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43
drivers/gpu/drm/msm/adreno/a4xx_gpu.c
View File

@ -102,11 +102,17 @@ static void a4xx_enable_hwcg(struct msm_gpu *gpu)
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00000222);
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_HLSQ , 0x00000000);
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000);
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, 0x00020000);
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0xAAAAAAAA);
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, 0x00220000);
/* Early A430's have a timing issue with SP/TP power collapse;
disabling HW clock gating prevents it. */
if (adreno_is_a430(adreno_gpu) && adreno_gpu->rev.patchid < 2)
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0);
else
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0xAAAAAAAA);
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2, 0);
}
static void a4xx_me_init(struct msm_gpu *gpu)
{
struct msm_ringbuffer *ring = gpu->rb;
@ -141,7 +147,7 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
uint32_t *ptr, len;
int i, ret;
if (adreno_is_a4xx(adreno_gpu)) {
if (adreno_is_a420(adreno_gpu)) {
gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT, 0x0001001F);
gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT_CONF, 0x000000A4);
gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001);
@ -150,6 +156,13 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF0, 0x18181818);
gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF1, 0x00000018);
gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003);
} else if (adreno_is_a430(adreno_gpu)) {
gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001);
gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF0, 0x18181818);
gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF1, 0x00000018);
gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF0, 0x18181818);
gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF1, 0x00000018);
gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003);
} else {
BUG();
}
@ -161,6 +174,10 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A4XX_RBBM_SP_HYST_CNT, 0x10);
gpu_write(gpu, REG_A4XX_RBBM_WAIT_IDLE_CLOCKS_CTL, 0x10);
if (adreno_is_a430(adreno_gpu)) {
gpu_write(gpu, REG_A4XX_RBBM_WAIT_IDLE_CLOCKS_CTL2, 0x30);
}
/* Enable the RBBM error reporting bits */
gpu_write(gpu, REG_A4XX_RBBM_AHB_CTL0, 0x00000001);
@ -183,6 +200,9 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
/* Turn on performance counters: */
gpu_write(gpu, REG_A4XX_RBBM_PERFCTR_CTL, 0x01);
if (adreno_is_a430(adreno_gpu))
gpu_write(gpu, REG_A4XX_UCHE_CACHE_WAYS_VFD, 0x07);
/* Disable L2 bypass to avoid UCHE out of bounds errors */
gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_LO, 0xffff0000);
gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_HI, 0xffff0000);
@ -190,6 +210,15 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A4XX_CP_DEBUG, (1 << 25) |
(adreno_is_a420(adreno_gpu) ? (1 << 29) : 0));
/* On A430 enable SP regfile sleep for power savings */
/* TODO downstream does this for !420, so maybe applies for 405 too? */
if (!adreno_is_a420(adreno_gpu)) {
gpu_write(gpu, REG_A4XX_RBBM_SP_REGFILE_SLEEP_CNTL_0,
0x00000441);
gpu_write(gpu, REG_A4XX_RBBM_SP_REGFILE_SLEEP_CNTL_1,
0x00000441);
}
a4xx_enable_hwcg(gpu);
/*
@ -204,9 +233,11 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, val);
}
ret = adreno_hw_init(gpu);
if (ret)
return ret;
if (!adreno_is_a430(adreno_gpu)) {
ret = adreno_hw_init(gpu);
if (ret)
return ret;
}
/* setup access protection: */
gpu_write(gpu, REG_A4XX_CP_PROTECT_CTRL, 0x00000007);

8
drivers/gpu/drm/msm/adreno/adreno_device.c
View File

@ -69,6 +69,14 @@ static const struct adreno_info gpulist[] = {
.pfpfw = "a420_pfp.fw",
.gmem = (SZ_1M + SZ_512K),
.init = a4xx_gpu_init,
}, {
.rev = ADRENO_REV(4, 3, 0, ANY_ID),
.revn = 430,
.name = "A430",
.pm4fw = "a420_pm4.fw",
.pfpfw = "a420_pfp.fw",
.gmem = (SZ_1M + SZ_512K),
.init = a4xx_gpu_init,
},
};

3
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View File

@ -140,7 +140,8 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
if (priv->lastctx == ctx)
break;
case MSM_SUBMIT_CMD_BUF:
OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2);
OUT_PKT3(ring, adreno_is_a430(adreno_gpu) ?
CP_INDIRECT_BUFFER_PFE : CP_INDIRECT_BUFFER_PFD, 2);
OUT_RING(ring, submit->cmd[i].iova);
OUT_RING(ring, submit->cmd[i].size);
ibs++;

5
drivers/gpu/drm/msm/adreno/adreno_gpu.h
View File

@ -228,6 +228,11 @@ static inline int adreno_is_a420(struct adreno_gpu *gpu)
return gpu->revn == 420;
}
static inline int adreno_is_a430(struct adreno_gpu *gpu)
{
return gpu->revn == 430;
}
int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
int adreno_hw_init(struct msm_gpu *gpu);
uint32_t adreno_last_fence(struct msm_gpu *gpu);