From d80d842a47fbd029b18f8cff12535f2d1ece3f1e Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Fri, 5 Jul 2019 19:17:25 +0200 Subject: [PATCH] drm/etnaviv: split out starting of FE idle loop MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Move buffer setup and starting of the FE loop in the kernel ringbuffer into a separate function. This is a preparation to start the FE later in the submit process. Signed-off-by: Lucas Stach Reviewed-by: Philipp Zabel Reviewed-by: Guido Günther --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 885ca8f92338..3af72a4127b0 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -600,6 +600,20 @@ void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch) } } +static void etnaviv_gpu_start_fe_idleloop(struct etnaviv_gpu *gpu) +{ + u32 address = etnaviv_cmdbuf_get_va(&gpu->buffer, &gpu->cmdbuf_mapping); + u16 prefetch; + + /* setup the MMU */ + etnaviv_iommu_restore(gpu, gpu->mmu_context); + + /* Start command processor */ + prefetch = etnaviv_buffer_init(gpu); + + etnaviv_gpu_start_fe(gpu, address, prefetch); +} + static void etnaviv_gpu_setup_pulse_eater(struct etnaviv_gpu *gpu) { /* @@ -633,8 +647,6 @@ static void etnaviv_gpu_setup_pulse_eater(struct etnaviv_gpu *gpu) static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu) { - u16 prefetch; - if ((etnaviv_is_model_rev(gpu, GC320, 0x5007) || etnaviv_is_model_rev(gpu, GC320, 0x5220)) && gpu_read(gpu, VIVS_HI_CHIP_TIME) != 0x2062400) { @@ -680,15 +692,9 @@ static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu) /* setup the pulse eater */ etnaviv_gpu_setup_pulse_eater(gpu); - /* setup the MMU */ - etnaviv_iommu_restore(gpu, gpu->mmu_context); - - /* Start command processor */ - prefetch = etnaviv_buffer_init(gpu); - gpu_write(gpu, VIVS_HI_INTR_ENBL, ~0U); - etnaviv_gpu_start_fe(gpu, etnaviv_cmdbuf_get_va(&gpu->buffer, - &gpu->cmdbuf_mapping), prefetch); + + etnaviv_gpu_start_fe_idleloop(gpu); } int etnaviv_gpu_init(struct etnaviv_gpu *gpu) -- 2.30.2