Signed-off-by: Rafał Miłecki <[email protected]>
---
We need to know if GPU is multi one for example for setting PCIE lanes. Can we
store this like this patch proposes? I didn't want to touch rdev->flags as this
is equal to some BIOS variable AFAIU.
---
 drivers/gpu/drm/radeon/radeon.h        |    1 +
 drivers/gpu/drm/radeon/radeon_device.c |    8 ++++++++
 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index db98924..d00f984 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -887,6 +887,7 @@ struct radeon_device {
        union radeon_asic_config        config;
        enum radeon_family              family;
        unsigned long                   flags;
+       bool                            multi_gpu;
        int                             usec_timeout;
        enum radeon_pll_errata          pll_errata;
        int                             num_gb_pipes;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c 
b/drivers/gpu/drm/radeon/radeon_device.c
index fb55faf..7110529 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -714,6 +714,14 @@ int radeon_device_init(struct radeon_device *rdev,
         * ignore it */
        vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
 
+       if ((rdev->pdev->device == 0x9441) || /* ATI Radeon HD 4870 x2 */
+           (rdev->pdev->device == 0x9443) || /* ATI Radeon HD 4850 x2 */
+           (rdev->pdev->device == 0x944B) || /* ATI Mobility RADEON HD 4850 X2 
*/
+           (rdev->pdev->device == 0x9506) || /* ATI Mobility Radeon HD 3850 X2 
*/
+           (rdev->pdev->device == 0x9509) || /* ATI Mobility Radeon HD 3870 X2 
*/
+           (rdev->pdev->device == 0x950F)) /* ATI Radeon HD3870 X2 */
+               rdev->multi_gpu = true;
+
        r = radeon_init(rdev);
        if (r)
                return r;
-- 
1.6.4.2


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