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path: root/drivers/video/intelfb
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Diffstat (limited to 'drivers/video/intelfb')
-rw-r--r--drivers/video/intelfb/intelfbdrv.c17
-rw-r--r--drivers/video/intelfb/intelfbhw.c2
2 files changed, 18 insertions, 1 deletions
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 9e83664e345c..2aba6a4a9eae 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -1164,16 +1164,33 @@ intelfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1164 struct fb_var_screeninfo v; 1164 struct fb_var_screeninfo v;
1165 struct intelfb_info *dinfo; 1165 struct intelfb_info *dinfo;
1166 static int first = 1; 1166 static int first = 1;
1167 int i;
1168 /* Good pitches to allow tiling. Don't care about pitches < 1024. */
1169 static const int pitches[] = {
1170 128 * 8,
1171 128 * 16,
1172 128 * 32,
1173 128 * 64,
1174 0
1175 };
1167 1176
1168 DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags); 1177 DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags);
1169 1178
1170 dinfo = GET_DINFO(info); 1179 dinfo = GET_DINFO(info);
1171 1180
1181 /* update the pitch */
1172 if (intelfbhw_validate_mode(dinfo, var) != 0) 1182 if (intelfbhw_validate_mode(dinfo, var) != 0)
1173 return -EINVAL; 1183 return -EINVAL;
1174 1184
1175 v = *var; 1185 v = *var;
1176 1186
1187 for (i = 0; pitches[i] != 0; i++) {
1188 if (pitches[i] >= v.xres_virtual) {
1189 v.xres_virtual = pitches[i];
1190 break;
1191 }
1192 }
1193
1177 /* Check for a supported bpp. */ 1194 /* Check for a supported bpp. */
1178 if (v.bits_per_pixel <= 8) { 1195 if (v.bits_per_pixel <= 8) {
1179 v.bits_per_pixel = 8; 1196 v.bits_per_pixel = 8;
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index 2bcf249bdf22..4284c7554512 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -1210,7 +1210,7 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw,
1210 *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | 1210 *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) |
1211 (vactive << SRC_SIZE_VERT_SHIFT); 1211 (vactive << SRC_SIZE_VERT_SHIFT);
1212 1212
1213 hw->disp_a_stride = var->xres_virtual * var->bits_per_pixel / 8; 1213 hw->disp_a_stride = dinfo->pitch;
1214 DBG_MSG("pitch is %d\n", hw->disp_a_stride); 1214 DBG_MSG("pitch is %d\n", hw->disp_a_stride);
1215 1215
1216 hw->disp_a_base = hw->disp_a_stride * var->yoffset + 1216 hw->disp_a_base = hw->disp_a_stride * var->yoffset +