drm/radeon/kms/atom: Make card_info per device

Make the struct card_info, which is a per struct radeon_device dataset, a
struct member of the radeon device instead of a static per kernel module
value. This should avoid potential problems with two radeon cards installed in
one system.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 18 insertions, 12 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index d1cdda9b5586..88c19070247f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -443,20 +443,24 @@ static uint32_t cail_reg_read(struct card_info *info, uint32_t reg)
         return r;
 }
 
-static struct card_info atom_card_info = {
-        .dev = NULL,
-        .reg_read = cail_reg_read,
-        .reg_write = cail_reg_write,
-        .mc_read = cail_mc_read,
-        .mc_write = cail_mc_write,
-        .pll_read = cail_pll_read,
-        .pll_write = cail_pll_write,
-};
-
 int radeon_atombios_init(struct radeon_device *rdev)
 {
-        atom_card_info.dev = rdev->ddev;
-        rdev->mode_info.atom_context = atom_parse(&atom_card_info, rdev->bios);
+        struct card_info *atom_card_info =
+            kzalloc(sizeof(struct card_info), GFP_KERNEL);
+
+        if (!atom_card_info)
+                return -ENOMEM;
+
+        rdev->mode_info.atom_card_info = atom_card_info;
+        atom_card_info->dev = rdev->ddev;
+        atom_card_info->reg_read = cail_reg_read;
+        atom_card_info->reg_write = cail_reg_write;
+        atom_card_info->mc_read = cail_mc_read;
+        atom_card_info->mc_write = cail_mc_write;
+        atom_card_info->pll_read = cail_pll_read;
+        atom_card_info->pll_write = cail_pll_write;
+
+        rdev->mode_info.atom_context = atom_parse(atom_card_info, rdev->bios);
         radeon_atom_initialize_bios_scratch_regs(rdev->ddev);
         return 0;
 }
@@ -464,6 +468,7 @@ int radeon_atombios_init(struct radeon_device *rdev)
 void radeon_atombios_fini(struct radeon_device *rdev)
 {
         kfree(rdev->mode_info.atom_context);
+        kfree(rdev->mode_info.atom_card_info);
 }
 
 int radeon_combios_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 2ea5707c018c..ccb783868ad6 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -172,6 +172,7 @@ enum radeon_connector_table {
 
 struct radeon_mode_info {
         struct atom_context *atom_context;
+        struct card_info *atom_card_info;
         enum radeon_connector_table connector_table;
         bool mode_config_initialized;
         struct radeon_crtc *crtcs[2];