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| author | Yannick Fertré <yannick.fertre@st.com> | 2019-03-29 18:48:05 +0300 |
|---|---|---|
| committer | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2019-04-24 14:50:46 +0300 |
| commit | 798e5b2a4f1dad93b193fb16bfd7e78eed22f22b (patch) | |
| tree | 954b8935b99d609bf6a9d7b52dbaebcb82c5f3be /drivers/gpu/drm/stm | |
| parent | 12d7a93c8689c818a8d96733a0e1c2cfa42e60af (diff) | |
| download | linux-798e5b2a4f1dad93b193fb16bfd7e78eed22f22b.tar.xz | |
drm/stm: ltdc: disable hw interrupts before its handler init
Interrupt register must be disabled before call of
devm_request_threaded_irq function to avoid dummy interruption.
Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1553874485-31259-1-git-send-email-yannick.fertre@st.com
Diffstat (limited to 'drivers/gpu/drm/stm')
| -rw-r--r-- | drivers/gpu/drm/stm/ltdc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 32fd6a3b37fb..9b4883bdbf4f 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -1142,6 +1142,10 @@ int ltdc_load(struct drm_device *ddev) goto err; } + /* Disable interrupts */ + reg_clear(ldev->regs, LTDC_IER, + IER_LIE | IER_RRIE | IER_FUIE | IER_TERRIE); + for (i = 0; i < MAX_IRQ; i++) { irq = platform_get_irq(pdev, i); if (irq < 0) @@ -1162,10 +1166,6 @@ int ltdc_load(struct drm_device *ddev) reset_control_deassert(rstc); } - /* Disable interrupts */ - reg_clear(ldev->regs, LTDC_IER, - IER_LIE | IER_RRIE | IER_FUIE | IER_TERRIE); - ret = ltdc_get_caps(ddev); if (ret) { DRM_ERROR("hardware identifier (0x%08x) not supported!\n", |