iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915/gt: Leave RING_BB_STATE to default value

Browse Source 
Do not reset RING_BB_STATE, leaving it to the default state value. This
prevents bdw/bsw from getting confused when executing batches from the
GGTT.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191230165821.3840449-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-12-30 16:58:21 +00:00
parent 4b0dd4a29a
commit 2b64e616d5
1 changed files with 0 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/gt/intel_lrc.c
View File

@ -3968,7 +3968,6 @@ static void init_common_reg_state(u32 * const regs,
CTX_CTRL_RS_CTX_ENABLE);
regs[CTX_RING_CTL] = RING_CTL_SIZE(ring->size) | RING_VALID;
regs[CTX_BB_STATE] = RING_BB_PPGTT;
}
static void init_wa_bb_reg_state(u32 * const regs,