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drm/armada: move primary plane to separate file

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Split out the primary plane support; this is now entirely separate from
the CRTC support.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2018-07-30 11:52:34 +01:00
parent 3acea7b9b6
commit d40af7b1ae
6 changed files with 318 additions and 283 deletions
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2
drivers/gpu/drm/armada/Makefile
View File

@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
armada-y := armada_crtc.o armada_drv.o armada_fb.o armada_fbdev.o \
armada_gem.o armada_overlay.o armada_trace.o
armada_gem.o armada_overlay.o armada_plane.o armada_trace.o
armada-y += armada_510.o
armada-$(CONFIG_DEBUG_FS) += armada_debugfs.o

273
drivers/gpu/drm/armada/armada_crtc.c
View File

@ -20,6 +20,7 @@
#include "armada_fb.h"
#include "armada_gem.h"
#include "armada_hw.h"
#include "armada_plane.h"
#include "armada_trace.h"
enum csc_mode {
@ -30,23 +31,6 @@ enum csc_mode {
CSC_RGB_STUDIO = 2,
};
static const uint32_t armada_primary_formats[] = {
DRM_FORMAT_UYVY,
DRM_FORMAT_YUYV,
DRM_FORMAT_VYUY,
DRM_FORMAT_YVYU,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_BGR888,
DRM_FORMAT_ARGB1555,
DRM_FORMAT_ABGR1555,
DRM_FORMAT_RGB565,
DRM_FORMAT_BGR565,
};
/*
* A note about interlacing. Let's consider HDMI 1920x1080i.
* The timing parameters we have from X are:
@ -160,57 +144,6 @@ static void armada_drm_crtc_update(struct armada_crtc *dcrtc)
}
}
void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
int x, int y)
{
const struct drm_format_info *format = fb->format;
unsigned int num_planes = format->num_planes;
u32 addr = drm_fb_obj(fb)->dev_addr;
int i;
if (num_planes > 3)
num_planes = 3;
addrs[0] = addr + fb->offsets[0] + y * fb->pitches[0] +
x * format->cpp[0];
y /= format->vsub;
x /= format->hsub;
for (i = 1; i < num_planes; i++)
addrs[i] = addr + fb->offsets[i] + y * fb->pitches[i] +
x * format->cpp[i];
for (; i < 3; i++)
addrs[i] = 0;
}
static unsigned armada_drm_crtc_calc_fb(struct drm_framebuffer *fb,
int x, int y, struct armada_regs *regs, bool interlaced)
{
unsigned pitch = fb->pitches[0];
u32 addrs[3], addr_odd, addr_even;
unsigned i = 0;
DRM_DEBUG_DRIVER("pitch %u x %d y %d bpp %d\n",
pitch, x, y, fb->format->cpp[0] * 8);
armada_drm_plane_calc_addrs(addrs, fb, x, y);
addr_odd = addr_even = addrs[0];
if (interlaced) {
addr_even += pitch;
pitch *= 2;
}
/* write offset, base, and pitch */
armada_reg_queue_set(regs, i, addr_odd, LCD_CFG_GRA_START_ADDR0);
armada_reg_queue_set(regs, i, addr_even, LCD_CFG_GRA_START_ADDR1);
armada_reg_queue_mod(regs, i, pitch, 0xffff, LCD_CFG_GRA_PITCH);
return i;
}
static void armada_drm_plane_work_call(struct armada_crtc *dcrtc,
struct armada_plane_work *work,
void (*fn)(struct armada_crtc *, struct armada_plane_work *))
@ -1067,194 +1000,6 @@ static const struct drm_crtc_funcs armada_crtc_funcs = {
.disable_vblank = armada_drm_crtc_disable_vblank,
};
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state)
{
DRM_DEBUG_KMS("[PLANE:%d:%s] [FB:%d]\n",
plane->base.id, plane->name,
state->fb ? state->fb->base.id : 0);
/*
* Take a reference on the new framebuffer - we want to
* hold on to it while the hardware is displaying it.
*/
if (state->fb)
drm_framebuffer_get(state->fb);
return 0;
}
void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
DRM_DEBUG_KMS("[PLANE:%d:%s] [FB:%d]\n",
plane->base.id, plane->name,
old_state->fb ? old_state->fb->base.id : 0);
if (old_state->fb)
drm_framebuffer_put(old_state->fb);
}
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
if (state->fb && !WARN_ON(!state->crtc)) {
struct drm_crtc *crtc = state->crtc;
struct drm_crtc_state *crtc_state;
if (state->state)
crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
else
crtc_state = crtc->state;
return drm_atomic_helper_check_plane_state(state, crtc_state,
0, INT_MAX,
true, false);
} else {
state->visible = false;
}
return 0;
}
static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct drm_plane_state *state = plane->state;
struct armada_crtc *dcrtc;
struct armada_regs *regs;
u32 cfg, cfg_mask, val;
unsigned int idx;
DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
if (!state->fb || WARN_ON(!state->crtc))
return;
DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
plane->base.id, plane->name,
state->crtc->base.id, state->crtc->name,
state->fb->base.id,
old_state->visible, state->visible);
dcrtc = drm_to_armada_crtc(state->crtc);
regs = dcrtc->regs + dcrtc->regs_idx;
idx = 0;
if (!old_state->visible && state->visible) {
val = CFG_PDWN64x66;
if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)
val |= CFG_PDWN256x24;
armada_reg_queue_mod(regs, idx, 0, val, LCD_SPU_SRAM_PARA1);
}
val = armada_rect_hw_fp(&state->src);
if (armada_rect_hw_fp(&old_state->src) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_HPXL_VLN);
val = armada_rect_yx(&state->dst);
if (armada_rect_yx(&old_state->dst) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_OVSA_HPXL_VLN);
val = armada_rect_hw(&state->dst);
if (armada_rect_hw(&old_state->dst) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GZM_HPXL_VLN);
if (old_state->src.x1 != state->src.x1 ||
old_state->src.y1 != state->src.y1 ||
old_state->fb != state->fb) {
idx += armada_drm_crtc_calc_fb(state->fb,
state->src.x1 >> 16,
state->src.y1 >> 16,
regs + idx,
dcrtc->interlaced);
}
if (old_state->fb != state->fb) {
cfg = CFG_GRA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
CFG_GRA_MOD(drm_fb_to_armada_fb(state->fb)->mod);
if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)
cfg |= CFG_PALETTE_ENA;
if (state->visible)
cfg |= CFG_GRA_ENA;
if (dcrtc->interlaced)
cfg |= CFG_GRA_FTOGGLE;
cfg_mask = CFG_GRAFORMAT |
CFG_GRA_MOD(CFG_SWAPRB | CFG_SWAPUV |
CFG_SWAPYU | CFG_YUV2RGB) |
CFG_PALETTE_ENA | CFG_GRA_FTOGGLE |
CFG_GRA_ENA;
} else if (old_state->visible != state->visible) {
cfg = state->visible ? CFG_GRA_ENA : 0;
cfg_mask = CFG_GRA_ENA;
} else {
cfg = cfg_mask = 0;
}
if (drm_rect_width(&old_state->src) != drm_rect_width(&state->src) ||
drm_rect_width(&old_state->dst) != drm_rect_width(&state->dst)) {
cfg_mask |= CFG_GRA_HSMOOTH;
if (drm_rect_width(&state->src) >> 16 !=
drm_rect_width(&state->dst))
cfg |= CFG_GRA_HSMOOTH;
}
if (cfg_mask)
armada_reg_queue_mod(regs, idx, cfg, cfg_mask,
LCD_SPU_DMA_CTRL0);
dcrtc->regs_idx += idx;
}
static void armada_drm_primary_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct armada_crtc *dcrtc;
struct armada_regs *regs;
unsigned int idx = 0;
DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
if (!old_state->crtc)
return;
DRM_DEBUG_KMS("[PLANE:%d:%s] was on [CRTC:%d:%s] with [FB:%d]\n",
plane->base.id, plane->name,
old_state->crtc->base.id, old_state->crtc->name,
old_state->fb->base.id);
dcrtc = drm_to_armada_crtc(old_state->crtc);
regs = dcrtc->regs + dcrtc->regs_idx;
/* Disable plane and power down most RAMs and FIFOs */
armada_reg_queue_mod(regs, idx, 0, CFG_GRA_ENA, LCD_SPU_DMA_CTRL0);
armada_reg_queue_mod(regs, idx, CFG_PDWN256x32 | CFG_PDWN256x24 |
CFG_PDWN256x8 | CFG_PDWN32x32 | CFG_PDWN64x66,
0, LCD_SPU_SRAM_PARA1);
dcrtc->regs_idx += idx;
}
static const struct drm_plane_helper_funcs armada_primary_plane_helper_funcs = {
.prepare_fb = armada_drm_plane_prepare_fb,
.cleanup_fb = armada_drm_plane_cleanup_fb,
.atomic_check = armada_drm_plane_atomic_check,
.atomic_update = armada_drm_primary_plane_atomic_update,
.atomic_disable = armada_drm_primary_plane_atomic_disable,
};
static const struct drm_plane_funcs armada_primary_plane_funcs = {
.update_plane = drm_plane_helper_update,
.disable_plane = drm_plane_helper_disable,
.destroy = drm_primary_helper_destroy,
.reset = drm_atomic_helper_plane_reset,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
int armada_drm_plane_init(struct armada_plane *plane)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(plane->works); i++)
plane->works[i].plane = &plane->base;
init_waitqueue_head(&plane->frame_wait);
return 0;
}
static const struct drm_prop_enum_list armada_drm_csc_yuv_enum_list[] = {
{ CSC_AUTO, "Auto" },
{ CSC_YUV_CCIR601, "CCIR601" },
@ -1363,21 +1108,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
goto err_crtc;
}
ret = armada_drm_plane_init(primary);
if (ret) {
kfree(primary);
goto err_crtc;
}
drm_plane_helper_add(&primary->base,
&armada_primary_plane_helper_funcs);
ret = drm_universal_plane_init(drm, &primary->base, 0,
&armada_primary_plane_funcs,
armada_primary_formats,
ARRAY_SIZE(armada_primary_formats),
NULL,
DRM_PLANE_TYPE_PRIMARY, NULL);
ret = armada_drm_primary_plane_init(drm, primary);
if (ret) {
kfree(primary);
goto err_crtc;

10
drivers/gpu/drm/armada/armada_crtc.h
View File

@ -54,21 +54,11 @@ struct armada_plane {
};
#define drm_to_armada_plane(p) container_of(p, struct armada_plane, base)
int armada_drm_plane_init(struct armada_plane *plane);
int armada_drm_plane_work_queue(struct armada_crtc *dcrtc,
struct armada_plane_work *work);
int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout);
void armada_drm_plane_work_cancel(struct armada_crtc *dcrtc,
struct armada_plane *plane);
void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
int x, int y);
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state);
void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state);
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state);
struct armada_crtc {
struct drm_crtc crtc;

3
drivers/gpu/drm/armada/armada_overlay.c
View File

@ -10,13 +10,14 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/armada_drm.h>
#include "armada_crtc.h"
#include "armada_drm.h"
#include "armada_fb.h"
#include "armada_gem.h"
#include "armada_hw.h"
#include <drm/armada_drm.h>
#include "armada_ioctlP.h"
#include "armada_plane.h"
#include "armada_trace.h"
struct armada_ovl_plane_properties {

297
drivers/gpu/drm/armada/armada_plane.c Normal file
View File

@ -0,0 +1,297 @@
/*
* Copyright (C) 2012 Russell King
* Rewritten from the dovefb driver, and Armada510 manuals.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>
#include "armada_crtc.h"
#include "armada_drm.h"
#include "armada_fb.h"
#include "armada_gem.h"
#include "armada_hw.h"
#include "armada_plane.h"
#include "armada_trace.h"
static const uint32_t armada_primary_formats[] = {
DRM_FORMAT_UYVY,
DRM_FORMAT_YUYV,
DRM_FORMAT_VYUY,
DRM_FORMAT_YVYU,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_BGR888,
DRM_FORMAT_ARGB1555,
DRM_FORMAT_ABGR1555,
DRM_FORMAT_RGB565,
DRM_FORMAT_BGR565,
};
void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
int x, int y)
{
const struct drm_format_info *format = fb->format;
unsigned int num_planes = format->num_planes;
u32 addr = drm_fb_obj(fb)->dev_addr;
int i;
if (num_planes > 3)
num_planes = 3;
addrs[0] = addr + fb->offsets[0] + y * fb->pitches[0] +
x * format->cpp[0];
y /= format->vsub;
x /= format->hsub;
for (i = 1; i < num_planes; i++)
addrs[i] = addr + fb->offsets[i] + y * fb->pitches[i] +
x * format->cpp[i];
for (; i < 3; i++)
addrs[i] = 0;
}
static unsigned armada_drm_crtc_calc_fb(struct drm_framebuffer *fb,
int x, int y, struct armada_regs *regs, bool interlaced)
{
unsigned pitch = fb->pitches[0];
u32 addrs[3], addr_odd, addr_even;
unsigned i = 0;
DRM_DEBUG_DRIVER("pitch %u x %d y %d bpp %d\n",
pitch, x, y, fb->format->cpp[0] * 8);
armada_drm_plane_calc_addrs(addrs, fb, x, y);
addr_odd = addr_even = addrs[0];
if (interlaced) {
addr_even += pitch;
pitch *= 2;
}
/* write offset, base, and pitch */
armada_reg_queue_set(regs, i, addr_odd, LCD_CFG_GRA_START_ADDR0);
armada_reg_queue_set(regs, i, addr_even, LCD_CFG_GRA_START_ADDR1);
armada_reg_queue_mod(regs, i, pitch, 0xffff, LCD_CFG_GRA_PITCH);
return i;
}
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state)
{
DRM_DEBUG_KMS("[PLANE:%d:%s] [FB:%d]\n",
plane->base.id, plane->name,
state->fb ? state->fb->base.id : 0);
/*
* Take a reference on the new framebuffer - we want to
* hold on to it while the hardware is displaying it.
*/
if (state->fb)
drm_framebuffer_get(state->fb);
return 0;
}
void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
DRM_DEBUG_KMS("[PLANE:%d:%s] [FB:%d]\n",
plane->base.id, plane->name,
old_state->fb ? old_state->fb->base.id : 0);
if (old_state->fb)
drm_framebuffer_put(old_state->fb);
}
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
if (state->fb && !WARN_ON(!state->crtc)) {
struct drm_crtc *crtc = state->crtc;
struct drm_crtc_state *crtc_state;
if (state->state)
crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
else
crtc_state = crtc->state;
return drm_atomic_helper_check_plane_state(state, crtc_state,
0, INT_MAX,
true, false);
} else {
state->visible = false;
}
return 0;
}
static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct drm_plane_state *state = plane->state;
struct armada_crtc *dcrtc;
struct armada_regs *regs;
u32 cfg, cfg_mask, val;
unsigned int idx;
DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
if (!state->fb || WARN_ON(!state->crtc))
return;
DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
plane->base.id, plane->name,
state->crtc->base.id, state->crtc->name,
state->fb->base.id,
old_state->visible, state->visible);
dcrtc = drm_to_armada_crtc(state->crtc);
regs = dcrtc->regs + dcrtc->regs_idx;
idx = 0;
if (!old_state->visible && state->visible) {
val = CFG_PDWN64x66;
if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)
val |= CFG_PDWN256x24;
armada_reg_queue_mod(regs, idx, 0, val, LCD_SPU_SRAM_PARA1);
}
val = armada_rect_hw_fp(&state->src);
if (armada_rect_hw_fp(&old_state->src) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_HPXL_VLN);
val = armada_rect_yx(&state->dst);
if (armada_rect_yx(&old_state->dst) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GRA_OVSA_HPXL_VLN);
val = armada_rect_hw(&state->dst);
if (armada_rect_hw(&old_state->dst) != val)
armada_reg_queue_set(regs, idx, val, LCD_SPU_GZM_HPXL_VLN);
if (old_state->src.x1 != state->src.x1 ||
old_state->src.y1 != state->src.y1 ||
old_state->fb != state->fb) {
idx += armada_drm_crtc_calc_fb(state->fb,
state->src.x1 >> 16,
state->src.y1 >> 16,
regs + idx,
dcrtc->interlaced);
}
if (old_state->fb != state->fb) {
cfg = CFG_GRA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
CFG_GRA_MOD(drm_fb_to_armada_fb(state->fb)->mod);
if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)
cfg |= CFG_PALETTE_ENA;
if (state->visible)
cfg |= CFG_GRA_ENA;
if (dcrtc->interlaced)
cfg |= CFG_GRA_FTOGGLE;
cfg_mask = CFG_GRAFORMAT |
CFG_GRA_MOD(CFG_SWAPRB | CFG_SWAPUV |
CFG_SWAPYU | CFG_YUV2RGB) |
CFG_PALETTE_ENA | CFG_GRA_FTOGGLE |
CFG_GRA_ENA;
} else if (old_state->visible != state->visible) {
cfg = state->visible ? CFG_GRA_ENA : 0;
cfg_mask = CFG_GRA_ENA;
} else {
cfg = cfg_mask = 0;
}
if (drm_rect_width(&old_state->src) != drm_rect_width(&state->src) ||
drm_rect_width(&old_state->dst) != drm_rect_width(&state->dst)) {
cfg_mask |= CFG_GRA_HSMOOTH;
if (drm_rect_width(&state->src) >> 16 !=
drm_rect_width(&state->dst))
cfg |= CFG_GRA_HSMOOTH;
}
if (cfg_mask)
armada_reg_queue_mod(regs, idx, cfg, cfg_mask,
LCD_SPU_DMA_CTRL0);
dcrtc->regs_idx += idx;
}
static void armada_drm_primary_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct armada_crtc *dcrtc;
struct armada_regs *regs;
unsigned int idx = 0;
DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
if (!old_state->crtc)
return;
DRM_DEBUG_KMS("[PLANE:%d:%s] was on [CRTC:%d:%s] with [FB:%d]\n",
plane->base.id, plane->name,
old_state->crtc->base.id, old_state->crtc->name,
old_state->fb->base.id);
dcrtc = drm_to_armada_crtc(old_state->crtc);
regs = dcrtc->regs + dcrtc->regs_idx;
/* Disable plane and power down most RAMs and FIFOs */
armada_reg_queue_mod(regs, idx, 0, CFG_GRA_ENA, LCD_SPU_DMA_CTRL0);
armada_reg_queue_mod(regs, idx, CFG_PDWN256x32 | CFG_PDWN256x24 |
CFG_PDWN256x8 | CFG_PDWN32x32 | CFG_PDWN64x66,
0, LCD_SPU_SRAM_PARA1);
dcrtc->regs_idx += idx;
}
static const struct drm_plane_helper_funcs armada_primary_plane_helper_funcs = {
.prepare_fb = armada_drm_plane_prepare_fb,
.cleanup_fb = armada_drm_plane_cleanup_fb,
.atomic_check = armada_drm_plane_atomic_check,
.atomic_update = armada_drm_primary_plane_atomic_update,
.atomic_disable = armada_drm_primary_plane_atomic_disable,
};
static const struct drm_plane_funcs armada_primary_plane_funcs = {
.update_plane = drm_plane_helper_update,
.disable_plane = drm_plane_helper_disable,
.destroy = drm_primary_helper_destroy,
.reset = drm_atomic_helper_plane_reset,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
int armada_drm_plane_init(struct armada_plane *plane)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(plane->works); i++)
plane->works[i].plane = &plane->base;
init_waitqueue_head(&plane->frame_wait);
return 0;
}
int armada_drm_primary_plane_init(struct drm_device *drm,
struct armada_plane *primary)
{
int ret;
ret = armada_drm_plane_init(primary);
if (ret)
return ret;
drm_plane_helper_add(&primary->base,
&armada_primary_plane_helper_funcs);
ret = drm_universal_plane_init(drm, &primary->base, 0,
&armada_primary_plane_funcs,
armada_primary_formats,
ARRAY_SIZE(armada_primary_formats),
NULL,
DRM_PLANE_TYPE_PRIMARY, NULL);
return ret;
}

16
drivers/gpu/drm/armada/armada_plane.h Normal file
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@ -0,0 +1,16 @@
#ifndef ARMADA_PLANE_H
#define ARMADA_PLANE_H
void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
int x, int y);
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state);
void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state);
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state);
int armada_drm_plane_init(struct armada_plane *plane);
int armada_drm_primary_plane_init(struct drm_device *drm,
struct armada_plane *primary);
#endif