forked from Minki/linux
3d05859fd7
the values set to registers will be updated into real registers at vsync so dma operation could be malfunctioned when accessed to memory after gem buffer was released. this patch makes sure that hw overlay is disabled before the gem buffer is released. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/* exynos_drm_hdmi.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Authoer: Inki Dae <inki.dae@samsung.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _EXYNOS_DRM_HDMI_H_
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#define _EXYNOS_DRM_HDMI_H_
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#define MIXER_WIN_NR 3
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#define MIXER_DEFAULT_WIN 0
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/*
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* exynos hdmi common context structure.
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*
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* @drm_dev: pointer to drm_device.
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* @ctx: pointer to the context of specific device driver.
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* this context should be hdmi_context or mixer_context.
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*/
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struct exynos_drm_hdmi_context {
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struct drm_device *drm_dev;
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void *ctx;
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};
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struct exynos_hdmi_ops {
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/* display */
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bool (*is_connected)(void *ctx);
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int (*get_edid)(void *ctx, struct drm_connector *connector,
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u8 *edid, int len);
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int (*check_timing)(void *ctx, void *timing);
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int (*power_on)(void *ctx, int mode);
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/* manager */
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void (*mode_fixup)(void *ctx, struct drm_connector *connector,
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const struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode);
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void (*mode_set)(void *ctx, void *mode);
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void (*get_max_resol)(void *ctx, unsigned int *width,
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unsigned int *height);
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void (*commit)(void *ctx);
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void (*dpms)(void *ctx, int mode);
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};
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struct exynos_mixer_ops {
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/* manager */
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int (*enable_vblank)(void *ctx, int pipe);
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void (*disable_vblank)(void *ctx);
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void (*dpms)(void *ctx, int mode);
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/* overlay */
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void (*wait_for_vblank)(void *ctx);
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void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
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void (*win_commit)(void *ctx, int zpos);
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void (*win_disable)(void *ctx, int zpos);
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};
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void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
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void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
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#endif
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