From 881fe6c1d06bf49f4ab7aef212cdaf66bd059614 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 18 Oct 2010 23:54:56 -0400 Subject: [PATCH] drm/radeon/kms: properly compute group_size on 6xx/7xx Needed for tiled surfaces. Signed-off-by: Alex Deucher Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600.c | 7 +++++-- drivers/gpu/drm/radeon/rv770.c | 9 +++++---- 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 83ba9644dcb9..33952a12f0a3 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1608,8 +1608,11 @@ void r600_gpu_init(struct radeon_device *rdev) rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); - tiling_config |= GROUP_SIZE(0); - rdev->config.r600.tiling_group_size = 256; + tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); + if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) + rdev->config.r600.tiling_group_size = 512; + else + rdev->config.r600.tiling_group_size = 256; tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; if (tmp > 3) { tiling_config |= ROW_TILING(3); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index ab83f688263a..245374e2b778 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -644,10 +644,11 @@ static void rv770_gpu_init(struct radeon_device *rdev) else gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3); - - gb_tiling_config |= GROUP_SIZE(0); - rdev->config.rv770.tiling_group_size = 256; - + gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); + if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) + rdev->config.rv770.tiling_group_size = 512; + else + rdev->config.rv770.tiling_group_size = 256; if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) { gb_tiling_config |= ROW_TILING(3); gb_tiling_config |= SAMPLE_SPLIT(3); -- 2.20.1