Compute the i2c timeout in jiffies from a value in milliseconds. The
original values of 2 jiffies equals 2 milliseconds if HZ has been
configured to a value of 1000. This corresponds to 2.2 milliseconds
used by most other DRM drivers. Update ast accordingly.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Fixes: 312fec1405dd ("drm: Initial KMS driver for AST (ASpeed Technologies)
2000 series (v2)")
Cc: Dave Airlie <airl...@redhat.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Jocelyn Falempe <jfale...@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <sta...@vger.kernel.org> # v3.5+
---
drivers/gpu/drm/ast/ast_ddc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ast/ast_ddc.c b/drivers/gpu/drm/ast/ast_ddc.c
index b7718084422f3..3e156a6b6831d 100644
--- a/drivers/gpu/drm/ast/ast_ddc.c
+++ b/drivers/gpu/drm/ast/ast_ddc.c
@@ -153,7 +153,7 @@ struct ast_ddc *ast_ddc_create(struct ast_device *ast)
bit = &ddc->bit;
bit->udelay = 20;
- bit->timeout = 2;
+ bit->timeout = usecs_to_jiffies(2200);
bit->data = ddc;
bit->setsda = ast_ddc_algo_bit_data_setsda;
bit->setscl = ast_ddc_algo_bit_data_setscl;
--
2.44.0
