On Tue, Feb 25, 2020 at 10:59 AM Thomas Zimmermann tzimmermann@suse.de wrote:
Non-KMS drivers store state in struct drm_driver. This bloats the structure for KMS drivers and prevents it from being declared with 'static const' qualifiers. Moving the non-KMS state into a separate data structure resolves this.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de
drivers/gpu/drm/drm_drv.c | 4 ++++ drivers/gpu/drm/i810/i810_drv.c | 4 ++++ drivers/gpu/drm/mga/mga_drv.c | 4 ++++ drivers/gpu/drm/nouveau/nouveau_drm.c | 8 ++++++++ drivers/gpu/drm/r128/r128_drv.c | 4 ++++ drivers/gpu/drm/savage/savage_drv.c | 4 ++++ drivers/gpu/drm/sis/sis_drv.c | 4 ++++ drivers/gpu/drm/tdfx/tdfx_drv.c | 4 ++++ drivers/gpu/drm/via/via_drv.c | 4 ++++ include/drm/drm_drv.h | 3 +++ include/drm/drm_legacy.h | 6 ++++++ 11 files changed, 49 insertions(+)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 7b1a628d1f6e..4ba0df097602 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -625,6 +625,10 @@ int drm_dev_init(struct drm_device *dev, if (WARN_ON(!parent)) return -EINVAL;
if (drm_core_check_feature(dev, DRIVER_LEGACY) &&WARN_ON(!driver->legacy))return -EINVAL;kref_init(&dev->ref); dev->dev = get_device(parent); dev->driver = driver;diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index 0e53a066d4db..55f17f00bae9 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -56,6 +56,9 @@ static const struct file_operations i810_driver_fops = { .llseek = noop_llseek, };
+static struct drm_legacy_state = i810_legacy_state {
Does this compile? I might have assumed this would need to be
static struct drm_legacy_state i810_legacy_state = {
+};
static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_LEGACY, .dev_priv_size = sizeof(drm_i810_buf_priv_t), @@ -71,6 +74,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &i810_legacy_state,};
static struct pci_driver i810_pci_driver = { diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c index 71128e6f6ae9..4865982d949c 100644 --- a/drivers/gpu/drm/mga/mga_drv.c +++ b/drivers/gpu/drm/mga/mga_drv.c @@ -53,6 +53,9 @@ static const struct file_operations mga_driver_fops = { .llseek = noop_llseek, };
+static struct drm_legacy_state = mga_legacy_state { +};
static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_LEGACY | @@ -78,6 +81,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &mga_legacy_state,};
static struct pci_driver mga_pci_driver = { diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 6b1629c14dd7..c88cf32e521c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -1103,6 +1103,11 @@ nouveau_driver_fops = { .llseek = noop_llseek, };
+#if defined(CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT) +static struct drm_legacy_state nouveau_legacy_state{ +}; +#endif
static struct drm_driver driver_stub = { .driver_features = @@ -1150,6 +1155,9 @@ driver_stub = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, +#if defined(CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT)
.legacy = &nouveau_legacy_state,+#endif };
static struct pci_device_id diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c index b7a5f162ebae..ecece3a48d93 100644 --- a/drivers/gpu/drm/r128/r128_drv.c +++ b/drivers/gpu/drm/r128/r128_drv.c @@ -57,6 +57,9 @@ static const struct file_operations r128_driver_fops = { .llseek = noop_llseek, };
+static struct drm_legacy_state = r128_legacy_state { +};
static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_LEGACY | @@ -81,6 +84,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &r128_legacy_state,};
int r128_driver_load(struct drm_device *dev, unsigned long flags) diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c index 799bd11adb9c..c0a7146fbde1 100644 --- a/drivers/gpu/drm/savage/savage_drv.c +++ b/drivers/gpu/drm/savage/savage_drv.c @@ -47,6 +47,9 @@ static const struct file_operations savage_driver_fops = { .llseek = noop_llseek, };
+static struct drm_legacy_state = savage_legacy_state { +};
static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_PCI_DMA | DRIVER_LEGACY, @@ -65,6 +68,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &savage_legacy_state,};
static struct pci_driver savage_pci_driver = { diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 2c54b33abb54..1c794a82c8e6 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -99,6 +99,9 @@ static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file) kfree(file_priv); }
+static struct drm_legacy_state = sis_legacy_state { +};
static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_LEGACY, .load = sis_driver_load, @@ -116,6 +119,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &sis_legacy_state,};
static struct pci_driver sis_pci_driver = { diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c index ab699bf0ac5c..17aa93d82d6b 100644 --- a/drivers/gpu/drm/tdfx/tdfx_drv.c +++ b/drivers/gpu/drm/tdfx/tdfx_drv.c @@ -56,6 +56,9 @@ static const struct file_operations tdfx_driver_fops = { .llseek = noop_llseek, };
+static struct drm_legacy_state = tdfx_legacy_state { +};
static struct drm_driver driver = { .driver_features = DRIVER_LEGACY, .fops = &tdfx_driver_fops, @@ -65,6 +68,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &tdfx_legacy_state,};
static struct pci_driver tdfx_pci_driver = { diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c index 5da38082821f..22113d93ecdd 100644 --- a/drivers/gpu/drm/via/via_drv.c +++ b/drivers/gpu/drm/via/via_drv.c @@ -71,6 +71,9 @@ static const struct file_operations via_driver_fops = { .llseek = noop_llseek, };
+static struct drm_legacy_state = via_legacy_state { +};
static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_LEGACY, @@ -97,6 +100,7 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL,
.legacy = &via_legacy_state,};
static struct pci_driver via_pci_driver = { diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 97109df5beac..94078af0cc28 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -40,6 +40,7 @@ struct dma_buf_attachment; struct drm_display_mode; struct drm_mode_create_dumb; struct drm_printer; +struct drm_legacy_state;
/**
- enum drm_driver_feature - feature flags
@@ -599,6 +600,8 @@ struct drm_driver { const struct file_operations *fops;
/* Everything below here is for legacy driver, never use! */
struct drm_legacy_state *legacy;/* private: */ /* List of devices hanging off this driver with stealth attach. */diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h index dcef3598f49e..c98a29e1c2b3 100644 --- a/include/drm/drm_legacy.h +++ b/include/drm/drm_legacy.h @@ -49,6 +49,12 @@ struct pci_driver;
- you're doing it terribly wrong.
*/
+/**
- State for non-KMS drivers.
- */
+struct drm_legacy_state { +};
/**
- DMA buffer.
*/
2.25.0
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