Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index 6cc4686..fc1e45d 100644
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* $Id: aty128fb.c,v 1.1.1.1.36.1 1999/12/11 09:03:05 Exp $
* linux/drivers/video/aty128fb.c -- Frame buffer device for ATI Rage128
*
@@ -486,11 +487,6 @@
const struct aty128fb_par *par);
static int aty128_decode_var(struct fb_var_screeninfo *var,
struct aty128fb_par *par);
-#if 0
-static void aty128_get_pllinfo(struct aty128fb_par *par, void __iomem *bios);
-static void __iomem *aty128_map_ROM(struct pci_dev *pdev,
- const struct aty128fb_par *par);
-#endif
static void aty128_timings(struct aty128fb_par *par);
static void aty128_init_engine(struct aty128fb_par *par);
static void aty128_reset_engine(const struct aty128fb_par *par);
@@ -1664,19 +1660,6 @@
struct aty128fb_par *par)
{
if (par->chip_gen == rage_M3) {
-#if 0
- /* Note: For now, on M3, we set palette on both heads, which may
- * be useless. Can someone with a M3 check this ?
- *
- * This code would still be useful if using the second CRTC to
- * do mirroring
- */
-
- aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) |
- DAC_PALETTE_ACCESS_CNTL);
- aty_st_8(PALETTE_INDEX, regno);
- aty_st_le32(PALETTE_DATA, (red<<16)|(green<<8)|blue);
-#endif
aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) &
~DAC_PALETTE_ACCESS_CNTL);
}
@@ -2102,10 +2085,9 @@
/* We have the resources. Now virtualize them */
info = framebuffer_alloc(sizeof(struct aty128fb_par), &pdev->dev);
- if (info == NULL) {
- printk(KERN_ERR "aty128fb: can't alloc fb_info_aty128\n");
+ if (!info)
goto err_free_mmio;
- }
+
par = info->par;
info->pseudo_palette = par->pseudo_palette;
@@ -2349,70 +2331,6 @@
return -EINVAL;
}
-#if 0
- /*
- * Accelerated functions
- */
-
-static inline void aty128_rectcopy(int srcx, int srcy, int dstx, int dsty,
- u_int width, u_int height,
- struct fb_info_aty128 *par)
-{
- u32 save_dp_datatype, save_dp_cntl, dstval;
-
- if (!width || !height)
- return;
-
- dstval = depth_to_dst(par->current_par.crtc.depth);
- if (dstval == DST_24BPP) {
- srcx *= 3;
- dstx *= 3;
- width *= 3;
- } else if (dstval == -EINVAL) {
- printk("aty128fb: invalid depth or RGBA\n");
- return;
- }
-
- wait_for_fifo(2, par);
- save_dp_datatype = aty_ld_le32(DP_DATATYPE);
- save_dp_cntl = aty_ld_le32(DP_CNTL);
-
- wait_for_fifo(6, par);
- aty_st_le32(SRC_Y_X, (srcy << 16) | srcx);
- aty_st_le32(DP_MIX, ROP3_SRCCOPY | DP_SRC_RECT);
- aty_st_le32(DP_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
- aty_st_le32(DP_DATATYPE, save_dp_datatype | dstval | SRC_DSTCOLOR);
-
- aty_st_le32(DST_Y_X, (dsty << 16) | dstx);
- aty_st_le32(DST_HEIGHT_WIDTH, (height << 16) | width);
-
- par->blitter_may_be_busy = 1;
-
- wait_for_fifo(2, par);
- aty_st_le32(DP_DATATYPE, save_dp_datatype);
- aty_st_le32(DP_CNTL, save_dp_cntl);
-}
-
-
- /*
- * Text mode accelerated functions
- */
-
-static void fbcon_aty128_bmove(struct display *p, int sy, int sx, int dy,
- int dx, int height, int width)
-{
- sx *= fontwidth(p);
- sy *= fontheight(p);
- dx *= fontwidth(p);
- dy *= fontheight(p);
- width *= fontwidth(p);
- height *= fontheight(p);
-
- aty128_rectcopy(sx, sy, dx, dy, width, height,
- (struct fb_info_aty128 *)p->fb_info);
-}
-#endif /* 0 */
-
static void aty128_set_suspend(struct aty128fb_par *par, int suspend)
{
u32 pmgt;
diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h
index d09bab3..e5a347c 100644
--- a/drivers/video/fbdev/aty/atyfb.h
+++ b/drivers/video/fbdev/aty/atyfb.h
@@ -147,6 +147,7 @@
u16 pci_id;
u32 accel_flags;
int blitter_may_be_busy;
+ unsigned fifo_space;
int asleep;
int lock_blank;
unsigned long res_start;
@@ -346,10 +347,13 @@
* Hardware acceleration
*/
-static inline void wait_for_fifo(u16 entries, const struct atyfb_par *par)
+static inline void wait_for_fifo(u16 entries, struct atyfb_par *par)
{
- while ((aty_ld_le32(FIFO_STAT, par) & 0xffff) >
- ((u32) (0x8000 >> entries)));
+ unsigned fifo_space = par->fifo_space;
+ while (entries > fifo_space) {
+ fifo_space = 16 - fls(aty_ld_le32(FIFO_STAT, par) & 0xffff);
+ }
+ par->fifo_space = fifo_space - entries;
}
static inline void wait_for_idle(struct atyfb_par *par)
@@ -359,7 +363,7 @@
par->blitter_may_be_busy = 0;
}
-extern void aty_reset_engine(const struct atyfb_par *par);
+extern void aty_reset_engine(struct atyfb_par *par);
extern void aty_init_engine(struct atyfb_par *par, struct fb_info *info);
void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index 05111e9..6dda5d8 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -1188,19 +1188,6 @@
(c_sync ? FB_SYNC_COMP_HIGH_ACT : 0);
switch (pix_width) {
-#if 0
- case CRTC_PIX_WIDTH_4BPP:
- bpp = 4;
- var->red.offset = 0;
- var->red.length = 8;
- var->green.offset = 0;
- var->green.length = 8;
- var->blue.offset = 0;
- var->blue.length = 8;
- var->transp.offset = 0;
- var->transp.length = 0;
- break;
-#endif
case CRTC_PIX_WIDTH_8BPP:
bpp = 8;
var->red.offset = 0;
@@ -1466,11 +1453,6 @@
var->bits_per_pixel,
par->crtc.vxres * var->bits_per_pixel / 8);
#endif /* CONFIG_BOOTX_TEXT */
-#if 0
- /* switch to accelerator mode */
- if (!(par->crtc.gen_cntl & CRTC_EXT_DISP_EN))
- aty_st_le32(CRTC_GEN_CNTL, par->crtc.gen_cntl | CRTC_EXT_DISP_EN, par);
-#endif
#ifdef DEBUG
{
/* dump non shadow CRTC, pll, LCD registers */
@@ -1480,24 +1462,28 @@
base = 0x2000;
printk("debug atyfb: Mach64 non-shadow register values:");
for (i = 0; i < 256; i = i+4) {
- if (i % 16 == 0)
- printk("\ndebug atyfb: 0x%04X: ", base + i);
- printk(" %08X", aty_ld_le32(i, par));
+ if (i % 16 == 0) {
+ pr_cont("\n");
+ printk("debug atyfb: 0x%04X: ", base + i);
+ }
+ pr_cont(" %08X", aty_ld_le32(i, par));
}
- printk("\n\n");
+ pr_cont("\n\n");
#ifdef CONFIG_FB_ATY_CT
/* PLL registers */
base = 0x00;
printk("debug atyfb: Mach64 PLL register values:");
for (i = 0; i < 64; i++) {
- if (i % 16 == 0)
- printk("\ndebug atyfb: 0x%02X: ", base + i);
+ if (i % 16 == 0) {
+ pr_cont("\n");
+ printk("debug atyfb: 0x%02X: ", base + i);
+ }
if (i % 4 == 0)
- printk(" ");
- printk("%02X", aty_ld_pll_ct(i, par));
+ pr_cont(" ");
+ pr_cont("%02X", aty_ld_pll_ct(i, par));
}
- printk("\n\n");
+ pr_cont("\n\n");
#endif /* CONFIG_FB_ATY_CT */
#ifdef CONFIG_FB_ATY_GENERIC_LCD
@@ -1509,19 +1495,19 @@
for (i = 0; i <= POWER_MANAGEMENT; i++) {
if (i == EXT_VERT_STRETCH)
continue;
- printk("\ndebug atyfb: 0x%04X: ",
+ pr_cont("\ndebug atyfb: 0x%04X: ",
lt_lcd_regs[i]);
- printk(" %08X", aty_ld_lcd(i, par));
+ pr_cont(" %08X", aty_ld_lcd(i, par));
}
} else {
for (i = 0; i < 64; i++) {
if (i % 4 == 0)
- printk("\ndebug atyfb: 0x%02X: ",
+ pr_cont("\ndebug atyfb: 0x%02X: ",
base + i);
- printk(" %08X", aty_ld_lcd(i, par));
+ pr_cont(" %08X", aty_ld_lcd(i, par));
}
}
- printk("\n\n");
+ pr_cont("\n\n");
}
#endif /* CONFIG_FB_ATY_GENERIC_LCD */
}
@@ -2392,17 +2378,6 @@
par->pll_ops = &aty_pll_ibm514;
break;
#endif
-#if 0 /* dead code */
- case CLK_STG1703:
- par->pll_ops = &aty_pll_stg1703;
- break;
- case CLK_CH8398:
- par->pll_ops = &aty_pll_ch8398;
- break;
- case CLK_ATT20C408:
- par->pll_ops = &aty_pll_att20c408;
- break;
-#endif
default:
PRINTKI("aty_init: CLK type not implemented yet!");
par->pll_ops = &aty_pll_unsupported;
@@ -2597,8 +2572,8 @@
aty_ld_le32(DSP_ON_OFF, par),
aty_ld_le32(CLOCK_CNTL, par));
for (i = 0; i < 40; i++)
- printk(" %02x", aty_ld_pll_ct(i, par));
- printk("\n");
+ pr_cont(" %02x", aty_ld_pll_ct(i, par));
+ pr_cont("\n");
}
#endif
if (par->pll_ops->init_pll)
@@ -3546,10 +3521,9 @@
/* Allocate framebuffer */
info = framebuffer_alloc(sizeof(struct atyfb_par), &pdev->dev);
- if (!info) {
- PRINTKE("atyfb_pci_probe() can't alloc fb_info\n");
+ if (!info)
return -ENOMEM;
- }
+
par = info->par;
par->bus_type = PCI;
info->fix = atyfb_fix;
@@ -3639,10 +3613,9 @@
}
info = framebuffer_alloc(sizeof(struct atyfb_par), NULL);
- if (!info) {
- PRINTKE("atyfb_atari_probe() can't alloc fb_info\n");
+ if (!info)
return -ENOMEM;
- }
+
par = info->par;
info->fix = atyfb_fix;
@@ -3912,8 +3885,7 @@
if (!reboot_info)
goto out;
- if (!lock_fb_info(reboot_info))
- goto out;
+ lock_fb_info(reboot_info);
par = reboot_info->par;
diff --git a/drivers/video/fbdev/aty/mach64_accel.c b/drivers/video/fbdev/aty/mach64_accel.c
index 3ad4625..e4b2c89 100644
--- a/drivers/video/fbdev/aty/mach64_accel.c
+++ b/drivers/video/fbdev/aty/mach64_accel.c
@@ -37,7 +37,7 @@
return ((rotation << 8) | DST_24_ROTATION_ENABLE);
}
-void aty_reset_engine(const struct atyfb_par *par)
+void aty_reset_engine(struct atyfb_par *par)
{
/* reset engine */
aty_st_le32(GEN_TEST_CNTL,
@@ -50,6 +50,8 @@
/* HOST errors */
aty_st_le32(BUS_CNTL,
aty_ld_le32(BUS_CNTL, par) | BUS_HOST_ERR_ACK | BUS_FIFO_ERR_ACK, par);
+
+ par->fifo_space = 0;
}
static void reset_GTC_3D_engine(const struct atyfb_par *par)
diff --git a/drivers/video/fbdev/aty/radeon_backlight.c b/drivers/video/fbdev/aty/radeon_backlight.c
index 301d6d6..d2c1263 100644
--- a/drivers/video/fbdev/aty/radeon_backlight.c
+++ b/drivers/video/fbdev/aty/radeon_backlight.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Backlight code for ATI Radeon based graphic cards
*
* Copyright (c) 2000 Ani Joshi <ajoshi@kernel.crashing.org>
* Copyright (c) 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org>
* Copyright (c) 2006 Michael Hanselmann <linux-kernel@hansmi.ch>
- *
- * 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 "radeonfb.h"
diff --git a/drivers/video/fbdev/aty/radeon_base.c b/drivers/video/fbdev/aty/radeon_base.c
index e8594bb..4ca0786 100644
--- a/drivers/video/fbdev/aty/radeon_base.c
+++ b/drivers/video/fbdev/aty/radeon_base.c
@@ -2217,8 +2217,7 @@
char *buf, loff_t off, size_t count)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct pci_dev *pdev = to_pci_dev(dev);
- struct fb_info *info = pci_get_drvdata(pdev);
+ struct fb_info *info = dev_get_drvdata(dev);
struct radeonfb_info *rinfo = info->par;
return radeon_show_one_edid(buf, off, count, rinfo->mon1_EDID);
@@ -2230,8 +2229,7 @@
char *buf, loff_t off, size_t count)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct pci_dev *pdev = to_pci_dev(dev);
- struct fb_info *info = pci_get_drvdata(pdev);
+ struct fb_info *info = dev_get_drvdata(dev);
struct radeonfb_info *rinfo = info->par;
return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID);
@@ -2294,8 +2292,6 @@
info = framebuffer_alloc(sizeof(struct radeonfb_info), &pdev->dev);
if (!info) {
- printk (KERN_ERR "radeonfb (%s): could not allocate memory\n",
- pci_name(pdev));
ret = -ENOMEM;
goto err_disable;
}
diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c
index e695adb..2dc5703 100644
--- a/drivers/video/fbdev/aty/radeon_pm.c
+++ b/drivers/video/fbdev/aty/radeon_pm.c
@@ -2844,8 +2844,8 @@
* in some desktop G4s), Via (M9+ chip on iBook G4) and
* Snowy (M11 chip on iBook G4 manufactured after July 2005)
*/
- if (!strcmp(rinfo->of_node->name, "ATY,JasperParent") ||
- !strcmp(rinfo->of_node->name, "ATY,SnowyParent")) {
+ if (of_node_name_eq(rinfo->of_node, "ATY,JasperParent") ||
+ of_node_name_eq(rinfo->of_node, "ATY,SnowyParent")) {
rinfo->reinit_func = radeon_reinitialize_M10;
rinfo->pm_mode |= radeon_pm_off;
}
@@ -2855,7 +2855,7 @@
rinfo->pm_mode |= radeon_pm_off;
}
#endif
- if (!strcmp(rinfo->of_node->name, "ATY,ViaParent")) {
+ if (of_node_name_eq(rinfo->of_node, "ATY,ViaParent")) {
rinfo->reinit_func = radeon_reinitialize_M9P;
rinfo->pm_mode |= radeon_pm_off;
}