diff options
| -rw-r--r-- | linux-legacy-oled-brightness.patch | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/linux-legacy-oled-brightness.patch b/linux-legacy-oled-brightness.patch index c060432..4bd4982 100644 --- a/linux-legacy-oled-brightness.patch +++ b/linux-legacy-oled-brightness.patch @@ -84,10 +84,10 @@ index c846ef4acf5b..8a9eae55b362 100644 } diff --git a/drivers/gpu/drm/i915/display/intel_dp_legacy_oled_brightness.c b/drivers/gpu/drm/i915/display/intel_dp_legacy_oled_brightness.c new file mode 100644 -index 000000000000..6959b34c621e +index 000000000000..e3df9b3338cb --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_dp_legacy_oled_brightness.c -@@ -0,0 +1,446 @@ +@@ -0,0 +1,445 @@ +/* + * Copyright © 2025 Chris Xiong + * @@ -122,8 +122,8 @@ index 000000000000..6959b34c621e +#include "linux/stdarg.h" + +static bool intel_dp_aux_legacy_write_sequence(struct drm_dp_aux *aux, const u32 *address_seq, const u8 *value_seq, size_t length) { -+ drm_dbg_kms(aux->drm_dev, "intel_dp_aux_legacy_write_sequence: %*phN", (int)length, value_seq); + for (size_t p = 0; p < length; ++p) { ++ drm_dbg_kms(aux->drm_dev, "intel_dp_aux_legacy_write_sequence: writing 0x%02x to 0x%x", value_seq[p], address_seq[p]); + if (drm_dp_dpcd_writeb(aux, address_seq[p], value_seq[p]) < 1) { + return false; + } @@ -314,14 +314,13 @@ index 000000000000..6959b34c621e + } + + if (!intel_dp_aux_legacy_write_sequence(aux, address_seq4, value_seq4, 6)) goto fail; -+ drm_dbg_kms(display->drm, "brightness_gamma @ %d: %*ph\n", 100 - brightness, 32, brightness_gamma); ++ drm_dbg_kms(display->drm, "brightness_gamma @ %d: %*ph\n", 100 - brightness, 33, brightness_gamma); + write_addr_buf = kmalloc_array(0x21 * 2, 4, GFP_KERNEL); + write_val_buf = kmalloc_array(0x21 * 2, 1, GFP_KERNEL); + for (int i = 0; i <= 0x20; ++i) { + write_addr_buf[i * 2] = 0x492; + write_addr_buf[i * 2 + 1] = 0x493; + write_val_buf[i * 2] = i + 0x10; -+ if (drm_dp_dpcd_writeb(aux, 0x492, i + 0x10) < 1) goto fail; + if (i == 10 || i == 21 || i == 32) + write_val_buf[i * 2 + 1] = brightness_gamma[i] & 0xf; + else |