diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 36 |
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 77358b587098..d130c96edf35 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -1019,29 +1019,6 @@ static int ast_cursor_plane_init(struct ast_device *ast) * CRTC */ -static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct ast_device *ast = to_ast_device(crtc->dev); - u8 ch = AST_DPMS_VSYNC_OFF | AST_DPMS_HSYNC_OFF; - - /* TODO: Maybe control display signal generation with - * Sync Enable (bit CR17.7). - */ - switch (mode) { - case DRM_MODE_DPMS_ON: - ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xfc, 0); - ast_set_index_reg_mask(ast, AST_IO_VGASRI, 0x01, 0xdf, 0); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - ch = mode; - ast_set_index_reg_mask(ast, AST_IO_VGASRI, 0x01, 0xdf, AST_IO_VGASR1_SD); - ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xfc, ch); - break; - } -} - static enum drm_mode_status ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) { @@ -1217,14 +1194,23 @@ ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, static void ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) { - ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); + struct ast_device *ast = to_ast_device(crtc->dev); + + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xfc, 0x00); + ast_set_index_reg_mask(ast, AST_IO_VGASRI, 0x01, 0xdf, 0x00); } static void ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) { struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); + struct ast_device *ast = to_ast_device(crtc->dev); + u8 vgacrb6; + + ast_set_index_reg_mask(ast, AST_IO_VGASRI, 0x01, 0xdf, AST_IO_VGASR1_SD); - ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + vgacrb6 = AST_IO_VGACRB6_VSYNC_OFF | + AST_IO_VGACRB6_HSYNC_OFF; + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xfc, vgacrb6); /* * HW cursors require the underlying primary plane and CRTC to |