diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-09-22 10:36:04 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-09-29 13:28:10 +0200 |
| commit | ff721b545b52dc0fcc6f0c0e53cc31dc44030cd6 (patch) | |
| tree | f64208bada9dc02f14fcc7478f25a83cc2821eb9 /drivers/gpu/drm/ast/ast_drv.c | |
| parent | 59fedf46f782c024b74ceab7868e13f0e0f10c45 (diff) | |
drm/ast: Prepare per-Gen device initialization
Switch device creation by hardware Gen. Return the value from the
call to ast_detect_chip(). All generations are still initialized
by ast_device_create().
Also add ast_device_init() for setting some common fields in struct
ast_device.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250922083708.45564-5-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/ast/ast_drv.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_drv.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index c653ea5570d8..a1b3c25ded20 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -47,6 +47,18 @@ static int ast_modeset = -1; MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); module_param_named(modeset, ast_modeset, int, 0400); +void ast_device_init(struct ast_device *ast, + enum ast_chip chip, + enum ast_config_mode config_mode, + void __iomem *regs, + void __iomem *ioregs) +{ + ast->chip = chip; + ast->config_mode = config_mode; + ast->regs = regs; + ast->ioregs = ioregs; +} + void __ast_device_set_tx_chip(struct ast_device *ast, enum ast_tx_chip tx_chip) { static const char * const info_str[] = { @@ -281,7 +293,7 @@ static int ast_detect_chip(struct pci_dev *pdev, *chip_out = chip; *config_mode_out = config_mode; - return 0; + return __AST_CHIP_GEN(chip); } static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -292,6 +304,7 @@ static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) void __iomem *ioregs; enum ast_config_mode config_mode; enum ast_chip chip; + unsigned int chip_gen; struct drm_device *drm; bool need_post = false; @@ -364,10 +377,16 @@ static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return ret; ret = ast_detect_chip(pdev, regs, ioregs, &chip, &config_mode); - if (ret) + if (ret < 0) return ret; + chip_gen = ret; - drm = ast_device_create(pdev, &ast_driver, chip, config_mode, regs, ioregs, need_post); + switch (chip_gen) { + default: + drm = ast_device_create(pdev, &ast_driver, chip, config_mode, regs, ioregs, + need_post); + break; + } if (IS_ERR(drm)) return PTR_ERR(drm); pci_set_drvdata(pdev, drm); |