3.19.8-ckt7 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Chris Wilson <[email protected]> commit 903ecd0bb970438c3a60c2c33ec9032d6443bf67 upstream. Everytime we use the logical context with execlists it becomes dirty (as the hardware will write the new register values afterwards, as well as the GPU state that will be used). We need to then flag the context as dirty everytime since after a swap-out/swap-in cycle the dirty flag will be cleared, and a further swap-out cycle will then loose the most recent GPU state. Signed-off-by: Chris Wilson <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Signed-off-by: Jani Nikula <[email protected]> Signed-off-by: Kamal Mostafa <[email protected]> --- drivers/gpu/drm/i915/intel_lrc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 5ebe805..2c5c00c 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -849,6 +849,8 @@ static int intel_lr_context_pin(struct intel_engine_cs *ring, ret = intel_pin_and_map_ringbuffer_obj(ring->dev, ringbuf); if (ret) goto unpin_ctx_obj; + + ctx_obj->dirty = true; } return ret; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
