diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-09-12 12:18:25 +0200 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:52:58 +0900 |
| commit | 0f88ae686672b2403d82086193e156bf8b2a9234 (patch) | |
| tree | ec3e8eb92d403d1a92dced40bd640e93de2ec640 /drivers/gpu/drm | |
| parent | ad12c158746ca46c2eb06947d707e442f2290bca (diff) | |
drm/panel/s6e3ha2: fix VINT settings
VINT should be set only for s6e3ha2 panel and should depend linearly on
nit value. The patch merges also VINT setting for normal and HMT mode.
Change-Id: I86383ea6fd1ac84812771c8923483e433698bc18
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-s6e3ha2.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/gpu/drm/panel/panel-s6e3ha2.c b/drivers/gpu/drm/panel/panel-s6e3ha2.c index 94fdb95f81b0..29d9471b3bbe 100644 --- a/drivers/gpu/drm/panel/panel-s6e3ha2.c +++ b/drivers/gpu/drm/panel/panel-s6e3ha2.c @@ -594,11 +594,6 @@ static const u32 hmt_aor_data[HMT_NITS_COUNT] = { 0x41303, 0x41303, 0x41303, 0x41303, 0x41303, 0x41303, }; -unsigned char VINT_TABLE[] = { - 0x18, 0x19, 0x1A, 0x1B, 0x1C, - 0x1D, 0x1E, 0x1F, 0x20, 0x21 -}; - enum s6e3ha2_model { MODEL_1440, MODEL_1600 }; struct s6e3ha2 { @@ -922,10 +917,14 @@ static int s6e3ha2_get_brightness(struct backlight_device *bl_dev) static void s6e3ha2_set_vint(struct s6e3ha2 *ctx) { - int vind = (ARRAY_SIZE(VINT_TABLE) - 1) - * ctx->bl_dev->props.brightness / MAX_BRIGHTNESS; + int nit = ctx->hmt_mode ? hmt_nits[ctx->nit_index] + : s6e3ha2_nits[ctx->model][ctx->nit_index]; + u8 v = clamp(nit, 5, 14) - 5 + 0x18; + + if (ctx->model != MODEL_1440) + return; - s6e3ha2_dcs_write_seq(ctx, LDI_PWRCTL, 0x8b, VINT_TABLE[vind]); + s6e3ha2_dcs_write_seq(ctx, LDI_PWRCTL, 0x8b, v); } static void s6e3ha2_update_nit_index(struct s6e3ha2 *ctx) @@ -967,11 +966,6 @@ static void s6e3ha2_update_gamma(struct s6e3ha2 *ctx) s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)); } -static void s6e3ha2_set_hmt_vint(struct s6e3ha2 *ctx) -{ - s6e3ha2_dcs_write_seq_static(ctx, LDI_PWRCTL, 0x8b, 0x21); -} - static void s6e3ha2_set_hmt_brightness(struct s6e3ha2 *ctx) { s6e3ha2_test_key_on_f0(ctx); @@ -980,8 +974,7 @@ static void s6e3ha2_set_hmt_brightness(struct s6e3ha2 *ctx) s6e3ha2_update_gamma(ctx); s6e3ha2_aid_control(ctx); s6e3ha2_set_elvss(ctx); - if (ctx->model == MODEL_1440) - s6e3ha2_set_hmt_vint(ctx); + s6e3ha2_set_vint(ctx); s6e3ha2_panel_update(ctx); s6e3ha2_test_key_off_fc(ctx); |