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[3/4] drm/radeon: use packet3 for nop on hawaii with new firmware

Message ID 1406916332-4195-3-git-send-email-andreas.boll.dev@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andreas Boll Aug. 1, 2014, 6:05 p.m. UTC 
From: Alex Deucher <alexander.deucher@amd.com>

Older firmware didn't support the new nop packet.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
---
 drivers/gpu/drm/radeon/cik.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index e5985d5..8b580dc 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -8035,7 +8035,10 @@  static int cik_startup(struct radeon_device *rdev)
 	cik_irq_set(rdev);
 
 	if (rdev->family == CHIP_HAWAII) {
-		nop = RADEON_CP_PACKET2;
+		if (rdev->new_fw)
+			nop = PACKET3(PACKET3_NOP, 0x3FFF);
+		else
+			nop = RADEON_CP_PACKET2;
 	} else {
 		nop = PACKET3(PACKET3_NOP, 0x3FFF);
 	}