diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2020-05-15 10:32:30 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2020-05-19 09:41:33 +0200 |
| commit | 9413adc089f64626e905662a39a2ce0562289d1e (patch) | |
| tree | 7579cd39c7b0fd04cff6a5936ba1b6d1818eef55 | |
| parent | 4f710d7ce8deb7e1c7906818c8729c4057c10c77 (diff) | |
| download | linux-9413adc089f64626e905662a39a2ce0562289d1e.tar.bz2 | |
drm/mgag200: Remove out-commented suspend/resume helpers
The suspend/resume helpers are unused. Also remove associated state
from struct mga_device.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: John Donnelly <John.p.donnelly@oracle.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Emil Velikov <emil.velikov@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-13-tzimmermann@suse.de
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mode.c | 71 |
2 files changed, 0 insertions, 72 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index cf71a4ec8415..0cf498d1e900 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -164,7 +164,6 @@ struct mga_device { size_t vram_fb_available; - bool suspended; enum mga_type type; int has_sdram; diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 199ae08976e1..d6f9763a4a45 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1357,65 +1357,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, return 0; } -#if 0 /* code from mjg to attempt D3 on crtc dpms off - revisit later */ -static int mga_suspend(struct drm_crtc *crtc) -{ - struct mga_crtc *mga_crtc = to_mga_crtc(crtc); - struct drm_device *dev = crtc->dev; - struct mga_device *mdev = dev->dev_private; - struct pci_dev *pdev = dev->pdev; - int option; - - if (mdev->suspended) - return 0; - - WREG_SEQ(1, 0x20); - WREG_ECRT(1, 0x30); - /* Disable the pixel clock */ - WREG_DAC(0x1a, 0x05); - /* Power down the DAC */ - WREG_DAC(0x1e, 0x18); - /* Power down the pixel PLL */ - WREG_DAC(0x1a, 0x0d); - - /* Disable PLLs and clocks */ - pci_read_config_dword(pdev, PCI_MGA_OPTION, &option); - option &= ~(0x1F8024); - pci_write_config_dword(pdev, PCI_MGA_OPTION, option); - pci_set_power_state(pdev, PCI_D3hot); - pci_disable_device(pdev); - - mdev->suspended = true; - - return 0; -} - -static int mga_resume(struct drm_crtc *crtc) -{ - struct mga_crtc *mga_crtc = to_mga_crtc(crtc); - struct drm_device *dev = crtc->dev; - struct mga_device *mdev = dev->dev_private; - struct pci_dev *pdev = dev->pdev; - int option; - - if (!mdev->suspended) - return 0; - - pci_set_power_state(pdev, PCI_D0); - pci_enable_device(pdev); - - /* Disable sysclk */ - pci_read_config_dword(pdev, PCI_MGA_OPTION, &option); - option &= ~(0x4); - pci_write_config_dword(pdev, PCI_MGA_OPTION, option); - - mdev->suspended = false; - - return 0; -} - -#endif - static void mga_crtc_dpms(struct drm_crtc *crtc, int mode) { struct drm_device *dev = crtc->dev; @@ -1442,11 +1383,6 @@ static void mga_crtc_dpms(struct drm_crtc *crtc, int mode) break; } -#if 0 - if (mode == DRM_MODE_DPMS_OFF) { - mga_suspend(crtc); - } -#endif WREG8(MGAREG_SEQ_INDEX, 0x01); seq1 |= RREG8(MGAREG_SEQ_DATA) & ~0x20; mga_wait_vsync(mdev); @@ -1456,13 +1392,6 @@ static void mga_crtc_dpms(struct drm_crtc *crtc, int mode) WREG8(MGAREG_CRTCEXT_INDEX, 0x01); crtcext1 |= RREG8(MGAREG_CRTCEXT_DATA) & ~0x30; WREG8(MGAREG_CRTCEXT_DATA, crtcext1); - -#if 0 - if (mode == DRM_MODE_DPMS_ON && mdev->suspended == true) { - mga_resume(crtc); - drm_helper_resume_force_mode(dev); - } -#endif } /* |