Re: [Intel-gfx] [PATCH v2] drm/i915/kbl: Fix revision ID checks

2020-08-11 Thread Dhanavanthri, Swathi
Reviewed-by: Swathi Dhanavanthri -Original Message- From: Intel-gfx On Behalf Of Matt Roper Sent: Monday, August 10, 2020 8:21 PM To: intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v2] drm/i915/kbl: Fix revision ID checks We usually assume that increasing PCI device

[Intel-gfx] [PATCH v2] drm/i915/kbl: Fix revision ID checks

2020-08-10 Thread Matt Roper
We usually assume that increasing PCI device revision ID's translates to newer steppings; macros like IS_KBL_REVID() that we use rely on this behavior. Unfortunately this turns out to not be true on KBL; the newer device 2 revision ID's sometimes go backward to older steppings. The situation is fu