R300_GA_ENHANCE 326 drivers/gpu/drm/radeon/r300.c radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0)); R300_GA_ENHANCE 97 drivers/gpu/drm/radeon/r420.c WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |