diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a2xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a2xx_gpu.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c index 6c9a747eb4ad..c67089a7ebc1 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -53,6 +53,8 @@ static void a2xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) static bool a2xx_me_init(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = gpu->rb[0]; OUT_PKT3(ring, CP_ME_INIT, 18); @@ -84,15 +86,20 @@ static bool a2xx_me_init(struct msm_gpu *gpu) /* NQ and External Memory Swap */ OUT_RING(ring, 0x00000000); /* protected mode error checking (0x1f2 is REG_AXXX_CP_INT_CNTL) */ - OUT_RING(ring, 0x200001f2); + if (a2xx_gpu->protection_disabled) + OUT_RING(ring, 0x00000000); + else + OUT_RING(ring, 0x200001f2); /* Disable header dumping and Header dump address */ OUT_RING(ring, 0x00000000); /* Header dump size */ OUT_RING(ring, 0x00000000); - /* enable protected mode */ - OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1); - OUT_RING(ring, 1); + if (!a2xx_gpu->protection_disabled) { + /* enable protected mode */ + OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1); + OUT_RING(ring, 1); + } adreno_flush(gpu, ring, REG_AXXX_CP_RB_WPTR); return a2xx_idle(gpu); @@ -101,6 +108,7 @@ static bool a2xx_me_init(struct msm_gpu *gpu) static int a2xx_hw_init(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu); dma_addr_t pt_base, tran_error; uint32_t *ptr, len; int i, ret; @@ -221,6 +229,17 @@ static int a2xx_hw_init(struct msm_gpu *gpu) len = adreno_gpu->fw[ADRENO_FW_PM4]->size / 4; DBG("loading PM4 ucode version: %x", ptr[1]); + /* + * New firmware files seem to have GPU and firmware version in this + * word (0x20xxxx for A200, 0x220xxx for A220, 0x225xxx for A225). + * Older firmware files, which lack protection support, have 0 instead. + */ + if (ptr[1] == 0) { + dev_warn(gpu->dev->dev, + "Legacy firmware detected, disabling protection support\n"); + a2xx_gpu->protection_disabled = true; + } + gpu_write(gpu, REG_AXXX_CP_DEBUG, AXXX_CP_DEBUG_MIU_128BIT_WRITE_ENABLE); gpu_write(gpu, REG_AXXX_CP_ME_RAM_WADDR, 0); |