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path: root/drivers/gpu/drm/mgag200/mgag200_g200se.c
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Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_g200se.c')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_g200se.c80
1 files changed, 79 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index a28f5203a95a..0addc3750413 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -61,6 +61,52 @@ static void mgag200_g200se_init_registers(struct mgag200_g200se_device *g200se)
mgag200_init_registers(mdev);
}
+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);
+}
+
/*
* PIXPLLC
*/
@@ -265,8 +311,40 @@ static const struct drm_plane_funcs mgag200_g200se_primary_plane_funcs = {
MGAG200_PRIMARY_PLANE_FUNCS,
};
+static void mgag200_g200se_crtc_helper_atomic_enable(struct drm_crtc *crtc,
+ struct drm_atomic_state *old_state)
+{
+ struct drm_device *dev = crtc->dev;
+ struct mga_device *mdev = to_mga_device(dev);
+ const struct mgag200_device_funcs *funcs = mdev->funcs;
+ struct drm_crtc_state *crtc_state = crtc->state;
+ struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
+ struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
+ const struct drm_format_info *format = mgag200_crtc_state->format;
+
+ if (funcs->disable_vidrst)
+ funcs->disable_vidrst(mdev);
+
+ mgag200_set_format_regs(mdev, format);
+ mgag200_set_mode_regs(mdev, adjusted_mode);
+
+ if (funcs->pixpllc_atomic_update)
+ funcs->pixpllc_atomic_update(crtc, old_state);
+
+ mgag200_g200se_set_hiprilvl(mdev, adjusted_mode, format);
+
+ mgag200_enable_display(mdev);
+
+ if (funcs->enable_vidrst)
+ funcs->enable_vidrst(mdev);
+}
+
static const struct drm_crtc_helper_funcs mgag200_g200se_crtc_helper_funcs = {
- MGAG200_CRTC_HELPER_FUNCS,
+ .mode_valid = mgag200_crtc_helper_mode_valid,
+ .atomic_check = mgag200_crtc_helper_atomic_check,
+ .atomic_flush = mgag200_crtc_helper_atomic_flush,
+ .atomic_enable = mgag200_g200se_crtc_helper_atomic_enable,
+ .atomic_disable = mgag200_crtc_helper_atomic_disable
};
static const struct drm_crtc_funcs mgag200_g200se_crtc_funcs = {