From 8e36113082821980c60ce89a6c5d45fc9492fc26 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Thu, 18 Feb 2010 14:23:49 +0000 Subject: [PATCH] drm/radeon/kms: fix R3XX/R4XX memory controller initialization Version 2 of memory controller did break the initialization for R3XX/R4XX hardware. This patch fix it. Signed-off-by: Jerome Glisse Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r300.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 7e9f95653cbe..b188aae764cc 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -461,7 +461,8 @@ int r300_gpu_reset(struct radeon_device *rdev) */ void r300_mc_init(struct radeon_device *rdev) { - uint32_t tmp; + u64 base; + u32 tmp; /* DDR for all card after R300 & IGP */ rdev->mc.vram_is_ddr = true; @@ -474,6 +475,10 @@ void r300_mc_init(struct radeon_device *rdev) default: rdev->mc.vram_width = 128; break; } r100_vram_init_sizes(rdev); + base = rdev->mc.aper_base; + if (rdev->flags & RADEON_IS_IGP) + base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; + radeon_vram_location(rdev, &rdev->mc, base); if (!(rdev->flags & RADEON_IS_AGP)) radeon_gtt_location(rdev, &rdev->mc); } -- 2.20.1