drm/i915/guc: Skip communication warning on reset in progress

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[ Upstream commit 1696b0cfcf ]

GuC IRQ and tasklet handler receive just single G2H message, and let other
messages to be received from next tasklet. During this chained tasklet
process, if reset process started, communication will be disabled.
Skip warning for this condition.

Fixes: 65dd4ed0f4 ("drm/i915/guc: Don't receive all G2H messages in irq handler")
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/15018
Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://lore.kernel.org/r/20250929152904.269776-1-zhanjun.dong@intel.com
(cherry picked from commit 604b5ee4a6)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Zhanjun Dong 2025-09-29 11:29:04 -04:00 • committed by Greg Kroah-Hartman

parent da66bf9d23

commit 4f681f736d

1 changed files with 8 additions and 1 deletions

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drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c

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