drm/radeon: use packet3 for nop on hawaii with new firmware
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 1 Aug 2014 18:05:31 +0000 (20:05 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 5 Aug 2014 12:53:58 +0000 (08:53 -0400)
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

index 2cb507a..2693c57 100644 (file)
@@ -8394,7 +8394,10 @@ 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);
        }