Commit 6f1e1204 authored Aug 10, 2013 by Guillaume Clement Committed by Dave Airlie Aug 22, 2013

gma500: Fix SDVO turning off randomly

Some Poulsbo cards seem to incorrectly report SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED instead of SDVO_CMD_STATUS_PENDING, which causes the display to be turned off.

Signed-off-by: Guillaume Clement <gclement@baobob.org>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent 317b07b5

drivers/gpu/drm/gma500/psb_intel_sdvo.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -500,7 +500,8 @@ static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo,
		&status))
		goto log_fail;

		while (status == SDVO_CMD_STATUS_PENDING && retry--) {
		while ((status == SDVO_CMD_STATUS_PENDING \|\|
		status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && retry--) {
		udelay(15);
		if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
		SDVO_I2C_CMD_STATUS,