drm/mgag200: Remove unused fields from struct mga_device

The fields mode_info, num_crtcs and mode in struct mga_device serve
no purpose. Remove them.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: John Donnelly <John.p.donnelly@oracle.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200507090315.21274-6-tzimmermann@suse.de

drivers/gpu/drm/mgag200/mgag200_drv.h

@@ -104,11 +104,6 @@ struct mga_crtc {
 	bool enabled;
 };
 
-struct mga_mode_info {
-	bool mode_config_initialized;
-	struct mga_crtc *crtc;
-};
-
 struct mga_i2c_chan {
 	struct i2c_adapter adapter;
 	struct drm_device *dev;
@@ -160,17 +155,14 @@ struct mga_device {
 	void __iomem			*rmmio;
 
 	struct mga_mc			mc;
-	struct mga_mode_info		mode_info;
 
 	struct mga_cursor cursor;
 
 	size_t vram_fb_available;
 
 	bool				suspended;
-	int				num_crtc;
 	enum mga_type			type;
 	int				has_sdram;
-	struct drm_display_mode		mode;
 
 	int bpp_shifts[4];
 

drivers/gpu/drm/mgag200/mgag200_main.c

@@ -97,9 +97,6 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
 	mdev->flags = mgag200_flags_from_driver_data(flags);
 	mdev->type = mgag200_type_from_driver_data(flags);
 
-	/* Hardcode the number of CRTCs to 1 */
-	mdev->num_crtc = 1;
-
 	pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option);
 	mdev->has_sdram = !(option & (1 << 14));
 

drivers/gpu/drm/mgag200/mgag200_mode.c

@@ -1136,9 +1136,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
 
 	WREG8(MGA_MISC_OUT, misc);
 
-	if (adjusted_mode)
-		memcpy(&mdev->mode, mode, sizeof(struct drm_display_mode));
-
 	mga_crtc_do_set_base(crtc, old_fb, x, y, 0);
 
 	/* reset tagfifo */
@@ -1447,7 +1444,6 @@ static void mga_crtc_init(struct mga_device *mdev)
 	drm_crtc_init(dev, &mga_crtc->base, &mga_crtc_funcs);
 
 	drm_mode_crtc_set_gamma_size(&mga_crtc->base, MGAG200_LUT_SIZE);
-	mdev->mode_info.crtc = mga_crtc;
 
 	drm_crtc_helper_add(&mga_crtc->base, &mga_helper_funcs);
 }
@@ -1647,8 +1643,6 @@ int mgag200_modeset_init(struct mga_device *mdev)
 		return ret;
 	}
 
-	mdev->mode_info.mode_config_initialized = true;
-
 	dev->mode_config.max_width = MGAG200_MAX_FB_WIDTH;
 	dev->mode_config.max_height = MGAG200_MAX_FB_HEIGHT;