[PATCH v3 1/8] drm: lcdif: improve burst size configuration comment
Lucas Stach
l.stach at pengutronix.de
Thu Sep 28 04:36:22 PDT 2023
The comment regarding AXI bust size configuration is a bit hard
to read. Improve the wording somewhat.
Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>
Reviewed-by: Marek Vasut <marex at denx.de>
---
v3: no changes
v2: Some more rewording.
---
drivers/gpu/drm/mxsfb/lcdif_kms.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/mxsfb/lcdif_kms.c b/drivers/gpu/drm/mxsfb/lcdif_kms.c
index 2541d2de4e45..07e343e01f3e 100644
--- a/drivers/gpu/drm/mxsfb/lcdif_kms.c
+++ b/drivers/gpu/drm/mxsfb/lcdif_kms.c
@@ -329,12 +329,12 @@ static void lcdif_set_mode(struct lcdif_drm_private *lcdif, u32 bus_flags)
lcdif->base + LCDC_V8_CTRLDESCL0_1);
/*
- * Undocumented P_SIZE and T_SIZE register but those written in the
- * downstream kernel those registers control the AXI burst size. As of
- * now there are two known values:
+ * The P_SIZE and T_SIZE bitfields are only documented in the
+ * downstream driver. Those bitfields control the AXI burst size.
+ * As of now there are two known values:
* 1 - 128Byte
* 2 - 256Byte
- * Downstream set it to 256B burst size to improve the memory
+ * Downstream sets this to 256B burst size to improve the memory access
* efficiency so set it here too.
*/
ctrl = CTRLDESCL0_3_P_SIZE(2) | CTRLDESCL0_3_T_SIZE(2) |
--
2.39.2
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