drm/radeon/kms: ignore unposted GPUs with no BIOS.
If we find a GPU but we can't find its BIOS and it isn't posted,
then ignore it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 772bcd8..0862fa4 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3257,10 +3257,8 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- radeon_combios_asic_init(rdev->ddev);
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
/* Set asic errata */
r100_errata(rdev);
/* Initialize clocks */
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 9a57985..430fc2a 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1309,10 +1309,8 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- radeon_combios_asic_init(rdev->ddev);
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
/* Set asic errata */
r300_errata(rdev);
/* Initialize clocks */
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index e7e4f5a..e7c3477 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -301,14 +301,9 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- if (rdev->is_atom_bios) {
- atom_asic_init(rdev->mode_info.atom_context);
- } else {
- radeon_combios_asic_init(rdev->ddev);
- }
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
+
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index f743518..26c37792 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -254,6 +254,9 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
+
if (!radeon_card_posted(rdev) && rdev->bios) {
DRM_INFO("GPU not posted. posting now...\n");
atom_asic_init(rdev->mode_info.atom_context);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 797a36f..3dbd93e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1631,7 +1631,11 @@
if (r)
return r;
/* Post card if necessary */
- if (!r600_card_posted(rdev) && rdev->bios) {
+ if (!r600_card_posted(rdev)) {
+ if (!rdev->bios) {
+ dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
+ return -EINVAL;
+ }
DRM_INFO("GPU not posted. posting now...\n");
atom_asic_init(rdev->mode_info.atom_context);
}
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index c32fe1c..15b9e03 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -979,6 +979,7 @@
extern int radeon_modeset_init(struct radeon_device *rdev);
extern void radeon_modeset_fini(struct radeon_device *rdev);
extern bool radeon_card_posted(struct radeon_device *rdev);
+extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
extern int radeon_clocks_init(struct radeon_device *rdev);
extern void radeon_clocks_fini(struct radeon_device *rdev);
extern void radeon_scratch_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index db0835d..c43a690 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -208,6 +208,24 @@
}
+bool radeon_boot_test_post_card(struct radeon_device *rdev)
+{
+ if (radeon_card_posted(rdev))
+ return true;
+
+ if (rdev->bios) {
+ DRM_INFO("GPU not posted. posting now...\n");
+ if (rdev->is_atom_bios)
+ atom_asic_init(rdev->mode_info.atom_context);
+ else
+ radeon_combios_asic_init(rdev->ddev);
+ return true;
+ } else {
+ dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
+ return false;
+ }
+}
+
int radeon_dummy_page_init(struct radeon_device *rdev)
{
rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index f1de558..2e5b945 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -491,10 +491,9 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- radeon_combios_asic_init(rdev->ddev);
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
+
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Get vram informations */
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 5f117cd..d2dac45 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -482,10 +482,9 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- atom_asic_init(rdev->mode_info.atom_context);
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
+
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 2754717..7ffd6db1 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -700,10 +700,9 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- atom_asic_init(rdev->mode_info.atom_context);
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
+
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index ba68c9f..93de4a9 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -580,10 +580,8 @@
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- atom_asic_init(rdev->mode_info.atom_context);
- }
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b0efd0d..f546284 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -975,7 +975,11 @@
if (r)
return r;
/* Post card if necessary */
- if (!r600_card_posted(rdev) && rdev->bios) {
+ if (!r600_card_posted(rdev)) {
+ if (!rdev->bios) {
+ dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
+ return -EINVAL;
+ }
DRM_INFO("GPU not posted. posting now...\n");
atom_asic_init(rdev->mode_info.atom_context);
}