diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-07-28 15:41:02 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-07-29 17:01:47 +0300 |
| commit | 828369f2829e5415e61a2c25b2cfb0bad48d72b4 (patch) | |
| tree | 5c4c9546faacb8f2c1309514298e88acba2c6aac /drivers/gpu/drm/mgag200/mgag200_mode.c | |
| parent | bc8350409ca5147d432f869209ee13fa079625df (diff) | |
| download | linux-828369f2829e5415e61a2c25b2cfb0bad48d72b4.tar.xz | |
drm/mgag200: Move CRTC atomic_enable to model-specific code
The CRTC atomic_enable helper contains per-model branches for
G200ER, G200EV and G200SE devices. Implement a dedicated helper
for each of them and remove the branches from the shared helper.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220728124103.30159-14-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_mode.c')
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mode.c | 82 |
1 files changed, 3 insertions, 79 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 789ea77b94ae..1f26d4716679 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -199,8 +199,7 @@ void mgag200_init_registers(struct mga_device *mdev) WREG8(MGA_MISC_OUT, misc); } -static void mgag200_set_mode_regs(struct mga_device *mdev, - const struct drm_display_mode *mode) +void mgag200_set_mode_regs(struct mga_device *mdev, const struct drm_display_mode *mode) { const struct mgag200_device_info *info = mdev->info; unsigned int hdisplay, hsyncstart, hsyncend, htotal; @@ -324,7 +323,7 @@ static void mgag200_set_offset(struct mga_device *mdev, WREG_ECRT(0x00, crtcext0); } -static void mgag200_set_format_regs(struct mga_device *mdev, const struct drm_format_info *format) +void mgag200_set_format_regs(struct mga_device *mdev, const struct drm_format_info *format) { struct drm_device *dev = &mdev->base; unsigned int bpp, bppshift, scale; @@ -387,74 +386,7 @@ static void mgag200_set_format_regs(struct mga_device *mdev, const struct drm_fo WREG_ECRT(3, crtcext3); } -static void mgag200_g200er_reset_tagfifo(struct mga_device *mdev) -{ - static uint32_t RESET_FLAG = 0x00200000; /* undocumented magic value */ - u32 memctl; - - memctl = RREG32(MGAREG_MEMCTL); - - memctl |= RESET_FLAG; - WREG32(MGAREG_MEMCTL, memctl); - - udelay(1000); - - memctl &= ~RESET_FLAG; - WREG32(MGAREG_MEMCTL, memctl); -} - -static void mgag200_g200se_set_hiprilvl(struct mga_device *mdev, - const struct drm_display_mode *mode, - const struct drm_format_info *format) -{ - struct mgag200_g200se_device *g200se = to_mgag200_g200se_device(&mdev->base); - unsigned int hiprilvl; - u8 crtcext6; - - if (g200se->unique_rev_id >= 0x04) { - hiprilvl = 0; - } else if (g200se->unique_rev_id >= 0x02) { - unsigned int bpp; - unsigned long mb; - - if (format->cpp[0] * 8 > 16) - bpp = 32; - else if (format->cpp[0] * 8 > 8) - bpp = 16; - else - bpp = 8; - - mb = (mode->clock * bpp) / 1000; - if (mb > 3100) - hiprilvl = 0; - else if (mb > 2600) - hiprilvl = 1; - else if (mb > 1900) - hiprilvl = 2; - else if (mb > 1160) - hiprilvl = 3; - else if (mb > 440) - hiprilvl = 4; - else - hiprilvl = 5; - - } else if (g200se->unique_rev_id >= 0x01) { - hiprilvl = 3; - } else { - hiprilvl = 4; - } - - crtcext6 = hiprilvl; /* implicitly sets maxhipri to 0 */ - - WREG_ECRT(0x06, crtcext6); -} - -static void mgag200_g200ev_set_hiprilvl(struct mga_device *mdev) -{ - WREG_ECRT(0x06, 0x00); -} - -static void mgag200_enable_display(struct mga_device *mdev) +void mgag200_enable_display(struct mga_device *mdev) { u8 seq0, crtcext1; @@ -709,14 +641,6 @@ void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_ if (funcs->pixpllc_atomic_update) funcs->pixpllc_atomic_update(crtc, old_state); - if (mdev->type == G200_ER) - mgag200_g200er_reset_tagfifo(mdev); - - if (IS_G200_SE(mdev)) - mgag200_g200se_set_hiprilvl(mdev, adjusted_mode, format); - else if (mdev->type == G200_EV) - mgag200_g200ev_set_hiprilvl(mdev); - mgag200_enable_display(mdev); if (funcs->enable_vidrst) |