Re: [PATCH v3] drm/ast: Fix start address computation

2023-02-10 Thread Jocelyn Falempe
On 10/02/2023 01:33, Jammy Huang wrote: On 2023/2/9 下午 05:55, Thomas Zimmermann wrote: Am 09.02.23 um 10:44 schrieb Jocelyn Falempe: During the driver conversion to shmem, the start address for the scanout buffer was set to the base PCI address. In most cases it works because only the lower

Re: [PATCH v3] drm/ast: Fix start address computation

2023-02-09 Thread Jammy Huang
On 2023/2/9 下午 05:55, Thomas Zimmermann wrote: Am 09.02.23 um 10:44 schrieb Jocelyn Falempe: During the driver conversion to shmem, the start address for the scanout buffer was set to the base PCI address. In most cases it works because only the lower 24bits are used, and due to alignment it

Re: [PATCH v3] drm/ast: Fix start address computation

2023-02-09 Thread Thomas Zimmermann
Am 09.02.23 um 10:44 schrieb Jocelyn Falempe: During the driver conversion to shmem, the start address for the scanout buffer was set to the base PCI address. In most cases it works because only the lower 24bits are used, and due to alignment it was almost always 0. But on some unlucky hardware

[PATCH v3] drm/ast: Fix start address computation

2023-02-09 Thread Jocelyn Falempe
During the driver conversion to shmem, the start address for the scanout buffer was set to the base PCI address. In most cases it works because only the lower 24bits are used, and due to alignment it was almost always 0. But on some unlucky hardware, it's not the case, and some unitilized memory is