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-rw-r--r--drivers/gpu/drm/drm_irq.c27
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c20
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
-rw-r--r--drivers/gpu/drm/i915/intel_display.c17
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
-rw-r--r--drivers/gpu/drm/radeon/r100.c14
-rw-r--r--drivers/gpu/drm/radeon/r600.c14
-rw-r--r--drivers/gpu/drm/radeon/r600d.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h12
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c21
-rw-r--r--include/drm/drmP.h3
13 files changed, 133 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index f85aaf21e783..0a6f0b3bdc78 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -37,6 +37,7 @@
#include <linux/interrupt.h> /* For task queue support */
+#include <linux/vgaarb.h>
/**
* Get interrupt from bus id.
*
@@ -171,6 +172,26 @@ err:
}
EXPORT_SYMBOL(drm_vblank_init);
+static void drm_irq_vgaarb_nokms(void *cookie, bool state)
+{
+ struct drm_device *dev = cookie;
+
+ if (dev->driver->vgaarb_irq) {
+ dev->driver->vgaarb_irq(dev, state);
+ return;
+ }
+
+ if (!dev->irq_enabled)
+ return;
+
+ if (state)
+ dev->driver->irq_uninstall(dev);
+ else {
+ dev->driver->irq_preinstall(dev);
+ dev->driver->irq_postinstall(dev);
+ }
+}
+
/**
* Install IRQ handler.
*
@@ -231,6 +252,9 @@ int drm_irq_install(struct drm_device *dev)
return ret;
}
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ vga_client_register(dev->pdev, (void *)dev, drm_irq_vgaarb_nokms, NULL);
+
/* After installing handler */
ret = dev->driver->irq_postinstall(dev);
if (ret < 0) {
@@ -279,6 +303,9 @@ int drm_irq_uninstall(struct drm_device * dev)
DRM_DEBUG("irq=%d\n", dev->pdev->irq);
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ vga_client_register(dev->pdev, NULL, NULL, NULL);
+
dev->driver->irq_uninstall(dev);
free_irq(dev->pdev->irq, dev);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9909505d070a..5a49a1867b35 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -33,6 +33,7 @@
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
+#include <linux/vgaarb.h>
/* Really want an OS-independent resettable timer. Would like to have
* this loop run for (eg) 3 sec, but have the timer reset every time
@@ -1012,6 +1013,19 @@ static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size,
return 0;
}
+/* true = enable decode, false = disable decoder */
+static unsigned int i915_vga_set_decode(void *cookie, bool state)
+{
+ struct drm_device *dev = cookie;
+
+ intel_modeset_vga_set_state(dev, 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;
+}
+
static int i915_load_modeset_init(struct drm_device *dev,
unsigned long prealloc_size,
unsigned long agp_size)
@@ -1057,6 +1071,11 @@ static int i915_load_modeset_init(struct drm_device *dev,
if (ret)
DRM_INFO("failed to find VBIOS tables\n");
+ /* if we have > 1 VGA cards, then disable the radeon VGA resources */
+ ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
+ if (ret)
+ goto destroy_ringbuffer;
+
ret = drm_irq_install(dev);
if (ret)
goto destroy_ringbuffer;
@@ -1324,6 +1343,7 @@ int i915_driver_unload(struct drm_device *dev)
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
drm_irq_uninstall(dev);
+ vga_client_register(dev->pdev, NULL, NULL, NULL);
}
if (dev->pdev->msi_enabled)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 77ed060b4292..a0632f8e76ac 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -766,6 +766,7 @@ static inline void opregion_enable_asle(struct drm_device *dev) { return; }
/* modesetting */
extern void intel_modeset_init(struct drm_device *dev);
extern void intel_modeset_cleanup(struct drm_device *dev);
+extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
/**
* Lock test for when it's just for synchronization of ring access.
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e38cd21161c8..3f7963553464 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -30,6 +30,7 @@
* fb aperture size and the amount of pre-reserved memory.
*/
#define INTEL_GMCH_CTRL 0x52
+#define INTEL_GMCH_VGA_DISABLE (1 << 1)
#define INTEL_GMCH_ENABLED 0x4
#define INTEL_GMCH_MEM_MASK 0x1
#define INTEL_GMCH_MEM_64M 0x1
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 155719ff99d1..0227b1652906 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3917,3 +3917,20 @@ struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
return &intel_output->enc;
}
+
+/*
+ * set vga decode state - true == enable VGA decode
+ */
+int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u16 gmch_ctrl;
+
+ pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &gmch_ctrl);
+ if (state)
+ gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE;
+ else
+ gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
+ pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl);
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index b9e47f1e1cc0..3a0004f755d0 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -178,4 +178,5 @@ extern int intel_framebuffer_create(struct drm_device *dev,
struct drm_mode_fb_cmd *mode_cmd,
struct drm_framebuffer **fb,
struct drm_gem_object *obj);
+
#endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 737970b43aef..be51c5f7d0f6 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1955,6 +1955,20 @@ 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 5f42fad19190..eab31c1d6df1 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1499,6 +1499,20 @@ 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 723295f59281..4a9028a85c9b 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 817af8ecff10..c839b608970f 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -596,6 +596,7 @@ struct radeon_asic {
int (*suspend)(struct radeon_device *rdev);
void (*errata)(struct radeon_device *rdev);
void (*vram_info)(struct radeon_device *rdev);
+ void (*vga_set_state)(struct radeon_device *rdev, bool state);
int (*gpu_reset)(struct radeon_device *rdev);
int (*mc_init)(struct radeon_device *rdev);
void (*mc_fini)(struct radeon_device *rdev);
@@ -954,6 +955,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
#define radeon_cs_parse(p) rdev->asic->cs_parse((p))
#define radeon_errata(rdev) (rdev)->asic->errata((rdev))
#define radeon_vram_info(rdev) (rdev)->asic->vram_info((rdev))
+#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_mc_init(rdev) (rdev)->asic->mc_init((rdev))
#define radeon_mc_fini(rdev) (rdev)->asic->mc_fini((rdev))
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 5f2a9e6f12c5..8968f78fa1e3 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -47,6 +47,7 @@ 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_errata(struct radeon_device *rdev);
void r100_vram_info(struct radeon_device *rdev);
+void r100_vga_set_state(struct radeon_device *rdev, bool state);
int r100_gpu_reset(struct radeon_device *rdev);
int r100_mc_init(struct radeon_device *rdev);
void r100_mc_fini(struct radeon_device *rdev);
@@ -89,6 +90,7 @@ static struct radeon_asic r100_asic = {
.init = &r100_init,
.errata = &r100_errata,
.vram_info = &r100_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &r100_gpu_reset,
.mc_init = &r100_mc_init,
.mc_fini = &r100_mc_fini,
@@ -158,6 +160,7 @@ static struct radeon_asic r300_asic = {
.init = &r300_init,
.errata = &r300_errata,
.vram_info = &r300_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &r300_gpu_reset,
.mc_init = &r300_mc_init,
.mc_fini = &r300_mc_fini,
@@ -208,6 +211,7 @@ static struct radeon_asic r420_asic = {
.resume = &r420_resume,
.errata = NULL,
.vram_info = NULL,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &r300_gpu_reset,
.mc_init = NULL,
.mc_fini = NULL,
@@ -262,6 +266,7 @@ static struct radeon_asic rs400_asic = {
.init = &r300_init,
.errata = &rs400_errata,
.vram_info = &rs400_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &r300_gpu_reset,
.mc_init = &rs400_mc_init,
.mc_fini = &rs400_mc_fini,
@@ -323,6 +328,7 @@ static struct radeon_asic rs600_asic = {
.init = &rs600_init,
.errata = &rs600_errata,
.vram_info = &rs600_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &r300_gpu_reset,
.mc_init = &rs600_mc_init,
.mc_fini = &rs600_mc_fini,
@@ -372,6 +378,7 @@ static struct radeon_asic rs690_asic = {
.init = &rs600_init,
.errata = &rs690_errata,
.vram_info = &rs690_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &r300_gpu_reset,
.mc_init = &rs690_mc_init,
.mc_fini = &rs690_mc_fini,
@@ -428,6 +435,7 @@ static struct radeon_asic rv515_asic = {
.init = &rv515_init,
.errata = &rv515_errata,
.vram_info = &rv515_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &rv515_gpu_reset,
.mc_init = &rv515_mc_init,
.mc_fini = &rv515_mc_fini,
@@ -477,6 +485,7 @@ static struct radeon_asic r520_asic = {
.init = &rv515_init,
.errata = &r520_errata,
.vram_info = &r520_vram_info,
+ .vga_set_state = &r100_vga_set_state,
.gpu_reset = &rv515_gpu_reset,
.mc_init = &r520_mc_init,
.mc_fini = &r520_mc_fini,
@@ -520,6 +529,7 @@ 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);
@@ -556,6 +566,7 @@ static struct radeon_asic r600_asic = {
.resume = &r600_resume,
.cp_commit = &r600_cp_commit,
.vram_info = NULL,
+ .vga_set_state = &r600_vga_set_state,
.gpu_reset = &r600_gpu_reset,
.mc_init = NULL,
.mc_fini = NULL,
@@ -606,6 +617,7 @@ static struct radeon_asic rv770_asic = {
.cp_commit = &r600_cp_commit,
.vram_info = NULL,
.gpu_reset = &rv770_gpu_reset,
+ .vga_set_state = &r600_vga_set_state,
.mc_init = NULL,
.mc_fini = NULL,
.wb_init = &r600_wb_init,
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 8a40c616b534..daf5db780956 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"
@@ -480,7 +481,18 @@ 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;
+}
/*
* Radeon device.
*/
@@ -578,6 +590,13 @@ int radeon_device_init(struct radeon_device *rdev,
if (r) {
return r;
}
+
+ /* if we have > 1 VGA cards, then disable the radeon VGA resources */
+ r = vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
+ if (r) {
+ return -EINVAL;
+ }
+
if (!rdev->new_init_path) {
/* Setup errata flags */
radeon_errata(rdev);
@@ -586,7 +605,6 @@ int radeon_device_init(struct radeon_device *rdev,
/* Initialize surface registers */
radeon_surface_init(rdev);
- /* TODO: disable VGA need to use VGA request */
/* BIOS*/
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
@@ -697,6 +715,7 @@ void radeon_device_fini(struct radeon_device *rdev)
radeon_agp_fini(rdev);
#endif
radeon_irq_kms_fini(rdev);
+ vga_client_register(rdev->pdev, NULL, NULL, NULL);
radeon_fence_driver_fini(rdev);
radeon_clocks_fini(rdev);
radeon_object_fini(rdev);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index eeefb6369e19..c8e64bbadbcf 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -810,6 +810,9 @@ struct drm_driver {
int (*gem_init_object) (struct drm_gem_object *obj);
void (*gem_free_object) (struct drm_gem_object *obj);
+ /* vga arb irq handler */
+ void (*vgaarb_irq)(struct drm_device *dev, bool state);
+
/* Driver private ops for this object */
struct vm_operations_struct *gem_vm_ops;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 21:52:41 +0100