From 0088dbdb809e8799cb8f26da5ac64b15201fa99d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Dec 2009 16:28:02 -0500 Subject: [PATCH] drm/radeon/kms: rs6xx/rs740: clamp vram to aperture size Signed-off-by: Alex Deucher Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/rs600.c | 9 ++++++--- drivers/gpu/drm/radeon/rs690.c | 9 ++++++++- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 00bc71f..c4bdfaf 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -306,9 +306,7 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev) void rs600_gpu_init(struct radeon_device *rdev) { - /* FIXME: HDP same place on rs600 ? */ r100_hdp_reset(rdev); - /* FIXME: is this correct ? */ r420_pipes_init(rdev); /* Wait for mc idle */ if (rs600_mc_wait_for_idle(rdev)) @@ -317,7 +315,6 @@ void rs600_gpu_init(struct radeon_device *rdev) void rs600_vram_info(struct radeon_device *rdev) { - /* FIXME: to do or is these values sane ? */ rdev->mc.vram_is_ddr = true; rdev->mc.vram_width = 128; @@ -326,6 +323,12 @@ void rs600_vram_info(struct radeon_device *rdev) rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + + if (rdev->mc.mc_vram_size > rdev->mc.aper_size) + rdev->mc.mc_vram_size = rdev->mc.aper_size; + + if (rdev->mc.real_vram_size > rdev->mc.aper_size) + rdev->mc.real_vram_size = rdev->mc.aper_size; } void rs600_bandwidth_update(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 81b8efc..30913c3 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -134,7 +134,7 @@ void rs690_vram_info(struct radeon_device *rdev) fixed20_12 a; rs400_gart_adjust_size(rdev); - /* DDR for all card after R300 & IGP */ + rdev->mc.vram_is_ddr = true; rdev->mc.vram_width = 128; @@ -143,6 +143,13 @@ void rs690_vram_info(struct radeon_device *rdev) rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + + if (rdev->mc.mc_vram_size > rdev->mc.aper_size) + rdev->mc.mc_vram_size = rdev->mc.aper_size; + + if (rdev->mc.real_vram_size > rdev->mc.aper_size) + rdev->mc.real_vram_size = rdev->mc.aper_size; + rs690_pm_info(rdev); /* FIXME: we should enforce default clock in case GPU is not in * default setup -- 2.7.4