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Commit 22c59960 authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: fix i915_interrupt_info on BDW 



Currently, if the machine is runtime suspended an you read the file,
you will get an "Unclaimed register" error message.

Testcase: igt/pm_rpm/debugfs-read
Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent fdd508a6

drivers/gpu/drm/i915/i915_debugfs.c

+6 −0
Original line number Diff line number Diff line
@@ -703,6 +703,12 @@ static int i915_interrupt_info(struct seq_file *m, void *data) 
		}



		for_each_pipe(pipe) {

			if (!intel_display_power_enabled(dev_priv,

						POWER_DOMAIN_PIPE(pipe))) {

				seq_printf(m, "Pipe %c power disabled\n",

					   pipe_name(pipe));

				continue;

			}

			seq_printf(m, "Pipe %c IMR:\t%08x\n",

				   pipe_name(pipe),

				   I915_READ(GEN8_DE_PIPE_IMR(pipe)));