Merge branch 'drm-core-next' of ../linux-2.6 into drm-next

7 files changed, 64 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 5e821a313a8..c9e93eabcf1 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1778,6 +1778,20 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 		rdev->mc.real_vram_size = rdev->mc.aper_size;
 }
 
+void r100_vga_set_state(struct radeon_device *rdev, bool state)
+{
+	uint32_t temp;
+
+	temp = RREG32(RADEON_CONFIG_CNTL);
+	if (state == false) {
+		temp &= ~(1<<8);
+		temp |= (1<<9);
+	} else {
+		temp &= ~(1<<9);
+	}
+	WREG32(RADEON_CONFIG_CNTL, temp);
+}
+
 void r100_vram_info(struct radeon_device *rdev)
 {
 	r100_vram_get_type(rdev);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 8d6bc12192d..278f646bc18 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1537,6 +1537,20 @@ int r600_startup(struct radeon_device *rdev)
 	return 0;
 }
 
+void r600_vga_set_state(struct radeon_device *rdev, bool state)
+{
+	uint32_t temp;
+
+	temp = RREG32(CONFIG_CNTL);
+	if (state == false) {
+		temp &= ~(1<<0);
+		temp |= (1<<1);
+	} else {
+		temp &= ~(1<<1);
+	}
+	WREG32(CONFIG_CNTL, temp);
+}
+
 int r600_resume(struct radeon_device *rdev)
 {
 	int r;
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index cf238bf5700..00d9642198a 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -78,6 +78,7 @@
 #define CB_COLOR0_MASK                                  0x28100
 
 #define	CONFIG_MEMSIZE					0x5428
+#define CONFIG_CNTL					0x5424
 #define	CP_STAT						0x8680
 #define	CP_COHER_BASE					0x85F8
 #define	CP_DEBUG					0xC1FC
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 9f0bd984788..757f5cd3774 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -596,6 +596,7 @@ struct radeon_asic {
 	void (*fini)(struct radeon_device *rdev);
 	int (*resume)(struct radeon_device *rdev);
 	int (*suspend)(struct radeon_device *rdev);
+	void (*vga_set_state)(struct radeon_device *rdev, bool state);
 	int (*gpu_reset)(struct radeon_device *rdev);
 	void (*gart_tlb_flush)(struct radeon_device *rdev);
 	int (*gart_set_page)(struct radeon_device *rdev, int i, uint64_t addr);
@@ -945,6 +946,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
 #define radeon_cs_parse(p) rdev->asic->cs_parse((p))
+#define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
 #define radeon_gpu_reset(rdev) (rdev)->asic->gpu_reset((rdev))
 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart_tlb_flush((rdev))
 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart_set_page((rdev), (i), (p))
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 94991edc839..c18fbee387d 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -50,6 +50,7 @@ extern int r100_suspend(struct radeon_device *rdev);
 extern int r100_resume(struct radeon_device *rdev);
 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg);
 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
+void r100_vga_set_state(struct radeon_device *rdev, bool state);
 int r100_gpu_reset(struct radeon_device *rdev);
 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc);
 void r100_pci_gart_tlb_flush(struct radeon_device *rdev);
@@ -81,6 +82,7 @@ static struct radeon_asic r100_asic = {
 	.fini = &r100_fini,
 	.suspend = &r100_suspend,
 	.resume = &r100_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &r100_gpu_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
@@ -135,6 +137,7 @@ static struct radeon_asic r300_asic = {
 	.fini = &r300_fini,
 	.suspend = &r300_suspend,
 	.resume = &r300_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
 	.gart_set_page = &r100_pci_gart_set_page,
@@ -173,6 +176,7 @@ static struct radeon_asic r420_asic = {
 	.fini = &r420_fini,
 	.suspend = &r420_suspend,
 	.resume = &r420_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -216,6 +220,7 @@ static struct radeon_asic rs400_asic = {
 	.fini = &rs400_fini,
 	.suspend = &rs400_suspend,
 	.resume = &rs400_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
@@ -263,6 +268,7 @@ static struct radeon_asic rs600_asic = {
 	.fini = &rs600_fini,
 	.suspend = &rs600_suspend,
 	.resume = &rs600_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rs600_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
@@ -303,6 +309,7 @@ static struct radeon_asic rs690_asic = {
 	.fini = &rs690_fini,
 	.suspend = &rs690_suspend,
 	.resume = &rs690_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &r300_gpu_reset,
 	.gart_tlb_flush = &rs400_gart_tlb_flush,
 	.gart_set_page = &rs400_gart_set_page,
@@ -349,6 +356,7 @@ static struct radeon_asic rv515_asic = {
 	.fini = &rv515_fini,
 	.suspend = &rv515_suspend,
 	.resume = &rv515_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &rv515_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -386,6 +394,7 @@ static struct radeon_asic r520_asic = {
 	.fini = &rv515_fini,
 	.suspend = &rv515_suspend,
 	.resume = &r520_resume,
+	.vga_set_state = &r100_vga_set_state,
 	.gpu_reset = &rv515_gpu_reset,
 	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
 	.gart_set_page = &rv370_pcie_gart_set_page,
@@ -419,6 +428,7 @@ int r600_init(struct radeon_device *rdev);
 void r600_fini(struct radeon_device *rdev);
 int r600_suspend(struct radeon_device *rdev);
 int r600_resume(struct radeon_device *rdev);
+void r600_vga_set_state(struct radeon_device *rdev, bool state);
 int r600_wb_init(struct radeon_device *rdev);
 void r600_wb_fini(struct radeon_device *rdev);
 void r600_cp_commit(struct radeon_device *rdev);
@@ -452,6 +462,7 @@ static struct radeon_asic r600_asic = {
 	.suspend = &r600_suspend,
 	.resume = &r600_resume,
 	.cp_commit = &r600_cp_commit,
+	.vga_set_state = &r600_vga_set_state,
 	.gpu_reset = &r600_gpu_reset,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
@@ -491,6 +502,7 @@ static struct radeon_asic rv770_asic = {
 	.resume = &rv770_resume,
 	.cp_commit = &r600_cp_commit,
 	.gpu_reset = &rv770_gpu_reset,
+	.vga_set_state = &r600_vga_set_state,
 	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
 	.gart_set_page = &rs600_gart_set_page,
 	.ring_test = &r600_ring_test,
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 88c19070247..e3f9edfa40f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -29,6 +29,7 @@
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/radeon_drm.h>
+#include <linux/vgaarb.h>
 #include "radeon_reg.h"
 #include "radeon.h"
 #include "radeon_asic.h"
@@ -481,6 +482,18 @@ void radeon_combios_fini(struct radeon_device *rdev)
 {
 }
 
+/* if we get transitioned to only one device, tak VGA back */
+static unsigned int radeon_vga_set_decode(void *cookie, bool state)
+{
+	struct radeon_device *rdev = cookie;
+	radeon_vga_set_state(rdev, state);
+	if (state)
+		return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
+		       VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
+	else
+		return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
+}
+
 void radeon_agp_disable(struct radeon_device *rdev)
 {
 	rdev->flags &= ~RADEON_IS_AGP;
@@ -573,9 +586,15 @@ int radeon_device_init(struct radeon_device *rdev,
 	DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base);
 	DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size);
 
+	/* if we have > 1 VGA cards, then disable the radeon VGA resources */
+	/* this will fail for cards that aren't VGA class devices, just
+	 * ignore it */
+	vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
+
 	r = radeon_init(rdev);
 	if (r)
 		return r;
+
 	if (rdev->flags & RADEON_IS_AGP && !rdev->accel_working) {
 		/* Acceleration not working on AGP card try again
 		 * with fallback to PCI or PCIE GART
@@ -600,8 +619,8 @@ void radeon_device_fini(struct radeon_device *rdev)
 {
 	DRM_INFO("radeon: finishing device.\n");
 	rdev->shutdown = true;
-	/* Order matter so becarefull if you rearrange anythings */
 	radeon_fini(rdev);
+	vga_client_register(rdev->pdev, NULL, NULL, NULL);
 	iounmap(rdev->rmmio);
 	rdev->rmmio = NULL;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f489c0de6f1..1381e06d6af 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -536,7 +536,7 @@ void radeon_ttm_fini(struct radeon_device *rdev)
 }
 
 static struct vm_operations_struct radeon_ttm_vm_ops;
-static struct vm_operations_struct *ttm_vm_ops = NULL;
+static const struct vm_operations_struct *ttm_vm_ops = NULL;
 
 static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {