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path: root/drivers/gpu/drm/ast/ast_ddc.h
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* drm/ast: Define struct ast_ddc in ast_ddc.cThomas Zimmermann2024-04-111-11/+2
| | | | | | | | | | | Move the definition of struct ast_ddc to ast_ddc.c and return the i2c adapter from ast_ddc_create(). Update callers accordingly. Avoids including Linux i2c header files, except where required. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240403103325.30457-4-tzimmermann@suse.de
* drm/ast: Store AST device in struct ast_ddcThomas Zimmermann2024-04-021-2/+2
| | | | | | | | | | The DDC code needs the AST device. Store a pointer in struct ast_ddc and avoid internal upcasts. Improves type safety within the DDC code. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240325200855.21150-9-tzimmermann@suse.de
* drm/ast: Pass AST device to ast_ddc_create()Thomas Zimmermann2024-04-021-1/+2
| | | | | | | | | | The DDC code needs the AST device. Pass it to ast_ddc_create() and avoid an internal upcast. Improves type safety within the DDC code. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240325200855.21150-8-tzimmermann@suse.de
* drm/ast: Rename struct ast_i2c_chan to struct ast_ddcThomas Zimmermann2024-04-021-2/+2
| | | | | | | | | | | | The struct struct ast_i2c_chan represents the Display Data Channel (DDC); I2C is the underlying bus. Rename the structure, the variables and the helper ast_i2c_create() to ddc-like terms. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240325200855.21150-7-tzimmermann@suse.de
* drm/ast: Move DDC code to ast_ddc.{c,h}Thomas Zimmermann2024-04-021-0/+19
Rename ast_i2c.c to ast_ddc.c and move its interface into the new header ast_ddc.h. Update all include statements as necessary and change the adapter name to 'AST DDC bus'. This avoids including I2C headers in the driver's main header file, which doesn't need them. Renaming files to _ddc indicates that the code is about the DDC. I2C is really just the underlying bus here. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240325200855.21150-6-tzimmermann@suse.de
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