drm/bridge: tc358768: fix PLL target frequency

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[ Upstream commit ffd2e4bbea ]

Correctly compute the PLL target frequency, the current formula works
correctly only when the input bus width is 24bit, actually to properly
compute the PLL target frequency what is relevant is the bits-per-pixel
on the DSI link.

No regression expected since the DSI format is currently hard-coded as
MIPI_DSI_FMT_RGB888.

Fixes: ff1ca6397b ("drm/bridge: Add tc358768 driver")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-4-francesco@dolcini.it
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Francesco Dolcini 2023-04-27 16:29:28 +02:00 • committed by Greg Kroah-Hartman

parent d2aad3c1e4

commit 9d56ec0b24

1 changed files with 5 additions and 3 deletions

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drivers/gpu/drm/bridge/tc358768.c

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