diff options
Diffstat (limited to 'drivers/video/mxc/mxc_epdc_fb.c')
| -rw-r--r-- | drivers/video/mxc/mxc_epdc_fb.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/video/mxc/mxc_epdc_fb.c b/drivers/video/mxc/mxc_epdc_fb.c index b702788ae823..2df44041e65c 100644 --- a/drivers/video/mxc/mxc_epdc_fb.c +++ b/drivers/video/mxc/mxc_epdc_fb.c @@ -735,18 +735,24 @@ static int epdc_choose_next_lut(int rev, int *next_lut) { u64 luts_status, unprocessed_luts; bool next_lut_found = false; + /* Available LUTs are reduced to 16 in 5-bit waveform mode */ + u32 format_p5n = __raw_readl(EPDC_FORMAT) & + EPDC_FORMAT_BUF_PIXEL_FORMAT_P5N; luts_status = __raw_readl(EPDC_STATUS_LUTS); - if (rev < 20) + if ((rev < 20) || format_p5n) luts_status &= 0xFFFF; else luts_status |= ((u64)__raw_readl(EPDC_STATUS_LUTS2) << 32); - if (rev < 20) + if (rev < 20) { unprocessed_luts = __raw_readl(EPDC_IRQ) & 0xFFFF; - else + } else { unprocessed_luts = __raw_readl(EPDC_IRQ1) | ((u64)__raw_readl(EPDC_IRQ2) << 32); + if (format_p5n) + unprocessed_luts &= 0xFFFF; + } while (!next_lut_found) { /* @@ -762,7 +768,7 @@ static int epdc_choose_next_lut(int rev, int *next_lut) */ *next_lut = fls64(luts_status); - if (rev < 20) { + if ((rev < 20) || format_p5n) { if (*next_lut > 15) *next_lut = ffz(luts_status); } else { @@ -1160,6 +1166,8 @@ static void epdc_init_sequence(struct mxc_epdc_fb_data *fb_data) fb_data->in_init = true; epdc_powerup(fb_data); draw_mode0(fb_data); + /* Force power down event */ + fb_data->powering_down = true; epdc_powerdown(fb_data); fb_data->updates_active = false; } @@ -3694,7 +3702,13 @@ static void epdc_intr_work_func(struct work_struct *work) next_marker->update_marker); complete(&next_marker->update_completion); } - } else if (epdc_lut_cancelled) { + } else if (epdc_lut_cancelled && !epdc_collision) { + /* + * Note: The update may be cancelled (void) if all + * pixels collided. In that case we handle it as a + * collision, not a cancel. + */ + /* Clear LUT status (might be set if no AUTOWV used) */ /* |