[PATCH 1/1] radeon: Fix system hang issue when using KMS with older cards

2013-06-03 Thread Alex Deucher
On Sun, Jun 2, 2013 at 10:47 AM, Adis Hamzi? wrote: > The current radeon driver initialization routines, when using KMS, are written > so that the IRQ installation routine is called before initializing the WB > buffer > and the CP rings. With some ASICs, though, the IRQ routine tries to access th

Re: [PATCH 1/1] radeon: Fix system hang issue when using KMS with older cards

2013-06-03 Thread Alex Deucher
On Sun, Jun 2, 2013 at 10:47 AM, Adis Hamzić wrote: > The current radeon driver initialization routines, when using KMS, are written > so that the IRQ installation routine is called before initializing the WB > buffer > and the CP rings. With some ASICs, though, the IRQ routine tries to access th

[PATCH 1/1] radeon: Fix system hang issue when using KMS with older cards

2013-06-02 Thread Adis Hamzić
The current radeon driver initialization routines, when using KMS, are written so that the IRQ installation routine is called before initializing the WB buffer and the CP rings. With some ASICs, though, the IRQ routine tries to access the GFX_INDEX ring causing a call to RREG32 with the value of -1

[PATCH 1/1] radeon: Fix system hang issue when using KMS with older cards

2013-06-02 Thread Adis Hamzić
The current radeon driver initialization routines, when using KMS, are written so that the IRQ installation routine is called before initializing the WB buffer and the CP rings. With some ASICs, though, the IRQ routine tries to access the GFX_INDEX ring causing a call to RREG32 with the value of -1