From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: sashiko-reviews@lists.linux.dev
Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
robh@kernel.org, conor+dt@kernel.org
Subject: Re: [PATCH v5 02/11] drm/mediatek: Implement Display Stream Compression support
Date: Wed, 15 Jul 2026 14:08:11 +0200 [thread overview]
Message-ID: <4f54dbb3-3e37-4219-bc54-d5f79dce0295@collabora.com> (raw)
In-Reply-To: <20260715120219.B11FD1F000E9@smtp.kernel.org>
On 7/15/26 14:02, sashiko-bot@kernel.org wrote:
> Thank you for your contribution! Sashiko AI review found 7 potential issue(s) to consider:
> - [High] Hardware Initialization Bypass due to skipped array element in DDP component loop.
> - [High] DSC configuration is written after the component is started, causing pipeline corruption.
> - [High] State leak of `dsc_config_done` breaks non-DSC display modes.
> - [High] DSI clock lane timing register `DSI_HSTX_CKL_WC` is destroyed by being overwritten with the pixel payload word count.
> - [High] Hardcoded 2x multiplier for DSC slice count results in incorrect DSI payload word count.
> - [High] Bandwidth calculations use uncompressed bits-per-pixel (bpp), falsely rejecting valid DSC modes and misconfiguring PHY clocks.
> - [Medium] Uninitialized variable `slice_chunk_size` is used for hardware configuration during DSI power-on.
> --
The same replies that I gave to Sashiko in v4 also apply to v5.
In short: Sashiko doesn't understand how the hardware works, so it throws random
issues.
next prev parent reply other threads:[~2026-07-15 12:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-15 11:49 [PATCH v5 00/11] drm/mediatek: Add DSC, WDMA, MT8189/96 DSI support AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 01/11] dt-bindings: display: mediatek: dsc: Add MT8196 compatible AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 02/11] drm/mediatek: Implement Display Stream Compression support AngeloGioacchino Del Regno
2026-07-15 12:02 ` sashiko-bot
2026-07-15 12:08 ` AngeloGioacchino Del Regno [this message]
2026-07-15 11:49 ` [PATCH v5 03/11] dt-bindings: display: mediatek: dsi: Document MT8189 and MT8196 AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 04/11] drm/mediatek: mtk_dsi: Cleanup encoder if reset fails during bind AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 05/11] drm/mediatek: mtk_dsi: Enable interrupt at component bind time AngeloGioacchino Del Regno
2026-07-15 12:04 ` sashiko-bot
2026-07-15 12:08 ` AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 06/11] drm/mediatek: mtk_dsi: Transfer register offsets to per-SoC const AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 07/11] drm/mediatek: mtk_dsi: Add support for MT8189 AngeloGioacchino Del Regno
2026-07-15 12:07 ` sashiko-bot
2026-07-15 12:12 ` AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 08/11] drm/mediatek: mtk_dsi: Add support for MT8196 AngeloGioacchino Del Regno
2026-07-15 12:08 ` sashiko-bot
2026-07-15 12:16 ` AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 09/11] drm/mediatek: mtk_dsi: Enable PM Runtime on probe AngeloGioacchino Del Regno
2026-07-15 12:16 ` sashiko-bot
2026-07-15 12:21 ` AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 10/11] dt-bindings: display: mediatek: wdma: Add compatibles for more SoCs AngeloGioacchino Del Regno
2026-07-15 12:15 ` sashiko-bot
2026-07-15 12:19 ` AngeloGioacchino Del Regno
2026-07-15 11:49 ` [PATCH v5 11/11] drm/mediatek: Add Write DMA (WDMA) Engine for Writeback support AngeloGioacchino Del Regno
2026-07-15 12:28 ` sashiko-bot
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