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etnaviv fixes and MAINTAINERS patch
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This commit is contained in:
commit
30c2c32d7f
4 changed files with 49 additions and 6 deletions
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@ -581,7 +581,7 @@ W: https://www.infradead.org/~dhowells/kafs/
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AGPGART DRIVER
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M: David Airlie <airlied@linux.ie>
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T: git git://people.freedesktop.org/~airlied/linux (part of drm maint)
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T: git git://anongit.freedesktop.org/drm/drm
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S: Maintained
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F: drivers/char/agp/
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F: include/linux/agp*
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@ -4630,7 +4630,7 @@ F: include/uapi/drm/vmwgfx_drm.h
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DRM DRIVERS
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M: David Airlie <airlied@linux.ie>
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L: dri-devel@lists.freedesktop.org
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T: git git://people.freedesktop.org/~airlied/linux
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T: git git://anongit.freedesktop.org/drm/drm
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B: https://bugs.freedesktop.org/
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C: irc://chat.freenode.net/dri-devel
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S: Maintained
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@ -631,8 +631,11 @@ static struct platform_driver etnaviv_platform_driver = {
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},
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};
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static struct platform_device *etnaviv_drm;
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static int __init etnaviv_init(void)
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{
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struct platform_device *pdev;
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int ret;
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struct device_node *np;
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@ -644,7 +647,7 @@ static int __init etnaviv_init(void)
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ret = platform_driver_register(&etnaviv_platform_driver);
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if (ret != 0)
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platform_driver_unregister(&etnaviv_gpu_driver);
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goto unregister_gpu_driver;
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/*
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* If the DT contains at least one available GPU device, instantiate
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@ -653,20 +656,33 @@ static int __init etnaviv_init(void)
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for_each_compatible_node(np, NULL, "vivante,gc") {
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if (!of_device_is_available(np))
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continue;
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platform_device_register_simple("etnaviv", -1, NULL, 0);
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pdev = platform_device_register_simple("etnaviv", -1,
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NULL, 0);
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if (IS_ERR(pdev)) {
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ret = PTR_ERR(pdev);
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of_node_put(np);
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goto unregister_platform_driver;
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}
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etnaviv_drm = pdev;
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of_node_put(np);
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break;
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}
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return 0;
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unregister_platform_driver:
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platform_driver_unregister(&etnaviv_platform_driver);
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unregister_gpu_driver:
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platform_driver_unregister(&etnaviv_gpu_driver);
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return ret;
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}
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module_init(etnaviv_init);
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static void __exit etnaviv_exit(void)
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{
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platform_driver_unregister(&etnaviv_gpu_driver);
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platform_device_unregister(etnaviv_drm);
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platform_driver_unregister(&etnaviv_platform_driver);
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platform_driver_unregister(&etnaviv_gpu_driver);
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}
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module_exit(etnaviv_exit);
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@ -131,6 +131,9 @@ struct etnaviv_gpu {
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struct work_struct sync_point_work;
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int sync_point_event;
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/* hang detection */
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u32 hangcheck_dma_addr;
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void __iomem *mmio;
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int irq;
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@ -10,6 +10,7 @@
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#include "etnaviv_gem.h"
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#include "etnaviv_gpu.h"
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#include "etnaviv_sched.h"
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#include "state.xml.h"
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static int etnaviv_job_hang_limit = 0;
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module_param_named(job_hang_limit, etnaviv_job_hang_limit, int , 0444);
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@ -85,6 +86,29 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job)
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{
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struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job);
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struct etnaviv_gpu *gpu = submit->gpu;
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u32 dma_addr;
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int change;
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/*
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* If the GPU managed to complete this jobs fence, the timout is
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* spurious. Bail out.
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*/
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if (fence_completed(gpu, submit->out_fence->seqno))
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return;
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/*
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* If the GPU is still making forward progress on the front-end (which
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* should never loop) we shift out the timeout to give it a chance to
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* finish the job.
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*/
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dma_addr = gpu_read(gpu, VIVS_FE_DMA_ADDRESS);
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change = dma_addr - gpu->hangcheck_dma_addr;
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if (change < 0 || change > 16) {
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gpu->hangcheck_dma_addr = dma_addr;
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schedule_delayed_work(&sched_job->work_tdr,
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sched_job->sched->timeout);
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return;
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}
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/* block scheduler */
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kthread_park(gpu->sched.thread);
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