The hiprivlvl settings are now updated in mgag200_g200se_set_hiprilvl() and mgag200_g200ev_set_hiprilvl().
v2: * replace uint8_t with u8
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 --- drivers/gpu/drm/mgag200/mgag200_mode.c | 98 ++++++++++++++------------ 1 file changed, 54 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 68ae604926757..46122fa319889 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1133,6 +1133,56 @@ static void mgag200_g200er_reset_tagfifo(struct mga_device *mdev) WREG_SEQ(0x01, seq1); }
+static void mgag200_g200se_set_hiprilvl(struct mga_device *mdev, + const struct drm_display_mode *mode, + const struct drm_framebuffer *fb) +{ + unsigned int hiprilvl; + u8 crtcext6; + + if (mdev->unique_rev_id >= 0x04) { + hiprilvl = 0; + } else if (mdev->unique_rev_id >= 0x02) { + unsigned int bpp; + unsigned long mb; + + if (fb->format->cpp[0] * 8 > 16) + bpp = 32; + else if (fb->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 (mdev->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 int mga_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, @@ -1251,10 +1301,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (mdev->type == G200_EW3) WREG_ECRT(0x34, 0x5);
- if (mdev->type == G200_EV) { - WREG_ECRT(6, 0); - } - misc = RREG8(MGA_MISC_IN); misc |= MGAREG_MISC_IOADSEL | MGAREG_MISC_RAMMAPEN | @@ -1270,47 +1316,11 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (mdev->type == G200_ER) mgag200_g200er_reset_tagfifo(mdev);
+ if (IS_G200_SE(mdev)) + mgag200_g200se_set_hiprilvl(mdev, mode, fb); + else if (mdev->type == G200_EV) + mgag200_g200ev_set_hiprilvl(mdev);
- if (IS_G200_SE(mdev)) { - if (mdev->unique_rev_id >= 0x04) { - WREG8(MGAREG_CRTCEXT_INDEX, 0x06); - WREG8(MGAREG_CRTCEXT_DATA, 0); - } else if (mdev->unique_rev_id >= 0x02) { - u8 hi_pri_lvl; - u32 bpp; - u32 mb; - - if (fb->format->cpp[0] * 8 > 16) - bpp = 32; - else if (fb->format->cpp[0] * 8 > 8) - bpp = 16; - else - bpp = 8; - - mb = (mode->clock * bpp) / 1000; - if (mb > 3100) - hi_pri_lvl = 0; - else if (mb > 2600) - hi_pri_lvl = 1; - else if (mb > 1900) - hi_pri_lvl = 2; - else if (mb > 1160) - hi_pri_lvl = 3; - else if (mb > 440) - hi_pri_lvl = 4; - else - hi_pri_lvl = 5; - - WREG8(MGAREG_CRTCEXT_INDEX, 0x06); - WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl); - } else { - WREG8(MGAREG_CRTCEXT_INDEX, 0x06); - if (mdev->unique_rev_id >= 0x01) - WREG8(MGAREG_CRTCEXT_DATA, 0x03); - else - WREG8(MGAREG_CRTCEXT_DATA, 0x04); - } - } return 0; }