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-rw-r--r--firmware/target/hosted/lcd-linuxfb.c24
-rw-r--r--firmware/target/hosted/samsungypr/lcd-ypr.c14
2 files changed, 20 insertions, 18 deletions
diff --git a/firmware/target/hosted/lcd-linuxfb.c b/firmware/target/hosted/lcd-linuxfb.c
index 14c8c30f89..5dda5cf1cc 100644
--- a/firmware/target/hosted/lcd-linuxfb.c
+++ b/firmware/target/hosted/lcd-linuxfb.c
@@ -59,14 +59,21 @@ void lcd_init_device(void)
59 panicf("Cannot read framebuffer fixed information"); 59 panicf("Cannot read framebuffer fixed information");
60 } 60 }
61 61
62#if 0 62 if(ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0)
63 /* check resolution and framebuffer size */
64 if(vinfo.xres != LCD_WIDTH || vinfo.yres != LCD_HEIGHT || vinfo.bits_per_pixel != LCD_DEPTH)
65 { 63 {
66 panicf("Unexpected framebuffer resolution: %dx%dx%d\n", vinfo.xres, 64 panicf("Cannot read framebuffer variable information");
67 vinfo.yres, vinfo.bits_per_pixel); 65 }
66
67 /* Make sure we match our desired bitdepth */
68 if (vinfo.bits_per_pixel != LCD_DEPTH || vinfo.xres != LCD_WIDTH || vinfo.yres != LCD_HEIGHT) {
69 vinfo.bits_per_pixel = LCD_DEPTH;
70 vinfo.xres = LCD_WIDTH;
71 vinfo.yres = LCD_HEIGHT;
72 if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo)) {
73 panicf("Cannot set framebuffer to %dx%dx%d",
74 vinfo.xres, vinfo.yres, vinfo.bits_per_pixel);
75 }
68 } 76 }
69#endif
70 /* Note: we use a framebuffer size of width*height*bbp. We cannot trust the 77 /* Note: we use a framebuffer size of width*height*bbp. We cannot trust the
71 * values returned by the driver for line_length */ 78 * values returned by the driver for line_length */
72 79
@@ -77,11 +84,6 @@ void lcd_init_device(void)
77 panicf("Cannot map framebuffer"); 84 panicf("Cannot map framebuffer");
78 } 85 }
79 86
80 if(ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0)
81 {
82 panicf("Cannot read framebuffer variable information");
83 }
84
85 memset(framebuffer, 0, finfo.smem_len); 87 memset(framebuffer, 0, finfo.smem_len);
86 88
87#ifdef HAVE_LCD_ENABLE 89#ifdef HAVE_LCD_ENABLE
diff --git a/firmware/target/hosted/samsungypr/lcd-ypr.c b/firmware/target/hosted/samsungypr/lcd-ypr.c
index b8db2eedd1..035abaeba7 100644
--- a/firmware/target/hosted/samsungypr/lcd-ypr.c
+++ b/firmware/target/hosted/samsungypr/lcd-ypr.c
@@ -66,17 +66,17 @@ void lcd_init_device(void)
66 exit(2); 66 exit(2);
67 } 67 }
68 68
69 /* Now we get the settable settings, and we set 16 bit bpp */ 69 /* Now we get the settable settings */
70 if (ioctl(dev_fd, FBIOGET_VSCREENINFO, &vinfo) == -1) { 70 if (ioctl(dev_fd, FBIOGET_VSCREENINFO, &vinfo) == -1) {
71 perror("Error reading variable information"); 71 perror("Error reading variable information");
72 exit(3); 72 exit(3);
73 } 73 }
74 74
75 vinfo.bits_per_pixel = LCD_DEPTH; 75 vinfo.bits_per_pixel = LCD_DEPTH; /* Explicitly set our desired depth */
76 76
77 if (ioctl(dev_fd, FBIOPUT_VSCREENINFO, &vinfo)) { 77 if (ioctl(dev_fd, FBIOPUT_VSCREENINFO, &vinfo)) {
78 perror("fbset(ioctl)"); 78 perror("fbset(ioctl)");
79 exit(4); 79 exit(4);
80 } 80 }
81 81
82 printf("%dx%d, %dbpp\n", vinfo.xres, vinfo.yres, vinfo.bits_per_pixel); 82 printf("%dx%d, %dbpp\n", vinfo.xres, vinfo.yres, vinfo.bits_per_pixel);
@@ -84,17 +84,17 @@ void lcd_init_device(void)
84 /* Figure out the size of the screen in bytes */ 84 /* Figure out the size of the screen in bytes */
85 screensize = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel / 8; 85 screensize = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel / 8;
86 if (screensize != FRAMEBUFFER_SIZE) { 86 if (screensize != FRAMEBUFFER_SIZE) {
87 exit(4);
88 perror("Display and framebuffer mismatch!\n"); 87 perror("Display and framebuffer mismatch!\n");
88 exit(5);
89 } 89 }
90 90
91 /* Map the device to memory */ 91 /* Map the device to memory */
92 dev_fb = mmap(0, screensize, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0); 92 dev_fb = mmap(0, screensize, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0);
93 if ((int)dev_fb == -1) { 93 if ((int)dev_fb == -1) {
94 perror("Error: failed to map framebuffer device to memory"); 94 perror("Error: failed to map framebuffer device to memory");
95 exit(4); 95 exit(6);
96 } 96 }
97 printf("The framebuffer device was mapped to memory successfully.\n"); 97 printf("Framebuffer device successfully mapped into memory.\n");
98 98
99 /* Be sure to turn on display at startup */ 99 /* Be sure to turn on display at startup */
100 ioctl(dev_fd, FBIOBLANK, VESA_NO_BLANKING); 100 ioctl(dev_fd, FBIOBLANK, VESA_NO_BLANKING);