drm/radeon/kms: Force HDP_NONSURF to maximum size

HDP non surface should cover the whole VRAM but we were misscomputing
the size and we endup in some case not covering the VRAM at all (if
VRAM size were > 1G). Covering more than the VRAM size shouldn't be
an issue.

Fix : https://bugs.freedesktop.org/show_bug.cgi?id=28016

[airlied: add evergreen fix]

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 38c500ee417adeb0d8cee02726d0f20d97b59992..37c7a434ed3485c3401b120c5b231258355b3986 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -607,7 +607,7 @@ static void evergreen_mc_program(struct radeon_device *rdev)
        WREG32(MC_VM_FB_LOCATION, tmp);
        WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
        WREG32(HDP_NONSURFACE_INFO, (2 << 7));
-       WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
+       WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
        if (rdev->flags & RADEON_IS_AGP) {
                WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
                WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 0e91871f45be0a213a9a67ff25c18fd0244088e8..b32064dad95d061134ec2a075e86124c2fed2d0f 100644 (file)
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1097,7 +1097,7 @@ static void r600_mc_program(struct radeon_device *rdev)
        WREG32(MC_VM_FB_LOCATION, tmp);
        WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
        WREG32(HDP_NONSURFACE_INFO, (2 << 7));
-       WREG32(HDP_NONSURFACE_SIZE, rdev->mc.mc_vram_size | 0x3FF);
+       WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
        if (rdev->flags & RADEON_IS_AGP) {
                WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
                WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index cec536c222c5314e696b1ca3acb6789dfdc8924e..b7fd82064922342d420cacb56a7ece8a00964393 100644 (file)
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -224,7 +224,7 @@ static void rv770_mc_program(struct radeon_device *rdev)
        WREG32(MC_VM_FB_LOCATION, tmp);
        WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
        WREG32(HDP_NONSURFACE_INFO, (2 << 7));
-       WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
+       WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
        if (rdev->flags & RADEON_IS_AGP) {
                WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
                WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);