drm/radeon/kms: R3XX/R4XX AGP asic use PCI GART not PCIE GART

R3XX/R4XX AGP asic use the old PCI GART block, not the new PCIE GART.
Make sure we pick the right GART when disabling AGP.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/r300.c

@@ -181,6 +181,12 @@ int r300_gart_enable(struct radeon_device *rdev)
 		rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
 		return rv370_pcie_gart_enable(rdev);
 	}
+	if (rdev->flags & RADEON_IS_PCI) {
+		rdev->asic->gart_disable = &r100_pci_gart_disable;
+		rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
+		rdev->asic->gart_set_page = &r100_pci_gart_set_page;
+		return r100_pci_gart_enable(rdev);
+	}
 	return r100_pci_gart_enable(rdev);
 }
 

drivers/gpu/drm/radeon/r420.c

@@ -101,8 +101,13 @@ int r420_mc_init(struct radeon_device *rdev)
 
 void r420_mc_fini(struct radeon_device *rdev)
 {
+	if (rdev->flags & RADEON_IS_PCIE) {
 		rv370_pcie_gart_disable(rdev);
 		radeon_gart_table_vram_free(rdev);
+	} else {
+		r100_pci_gart_disable(rdev);
+		radeon_gart_table_ram_free(rdev);
+	}
 	radeon_gart_fini(rdev);
 }
 

drivers/gpu/drm/radeon/radeon.h

@@ -935,6 +935,10 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 
 /* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
 void r100_cp_disable(struct radeon_device *rdev);
+void r100_pci_gart_tlb_flush(struct radeon_device *rdev);
+int r100_pci_gart_enable(struct radeon_device *rdev);
+void r100_pci_gart_disable(struct radeon_device *rdev);
+int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr);
 
 /* r420,r423,rv410 */
 u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg);

drivers/gpu/drm/radeon/radeon_device.c

@@ -503,7 +503,7 @@ int radeon_device_init(struct radeon_device *rdev,
 
 	if (radeon_agpmode == -1) {
 		rdev->flags &= ~RADEON_IS_AGP;
-		if (rdev->family > CHIP_RV515 ||
+		if (rdev->family >= CHIP_RV515 ||
 		    rdev->family == CHIP_RV380 ||
 		    rdev->family == CHIP_RV410 ||
 		    rdev->family == CHIP_R423) {