Basavaraj Natikar
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6565439894
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dmaengine: ptdma: Utilize the AE4DMA engine's multi-queue functionality
As AE4DMA offers multi-channel functionality compared to PTDMA’s single
queue, utilize multi-queue, which supports higher speeds than PTDMA, to
achieve higher performance using the AE4DMA workqueue based mechanism.
Fixes: 69a47b16a5 ("dmaengine: ptdma: Extend ptdma to support multi-channel and version")
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20250203162511.911946-4-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2025-03-11 02:33:27 +05:30 |
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Basavaraj Natikar
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feba04e6fd
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dmaengine: ae4dma: Use the MSI count and its corresponding IRQ number
Instead of using the defined maximum hardware queue, which can lead to
incorrect values if the counts mismatch, use the exact supported MSI
count and its corresponding IRQ number.
Fixes: 90a30e268d ("dmaengine: ae4dma: Add AMD ae4dma controller driver")
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20250203162511.911946-3-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2025-03-11 02:33:27 +05:30 |
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Basavaraj Natikar
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b87c29c007
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dmaengine: ae4dma: Remove deprecated PCI IDs
Two previously used PCI IDs are deprecated and should not be used for
AE4DMA. Hence, remove as they are unsupported for AE4DMA.
Fixes: 90a30e268d ("dmaengine: ae4dma: Add AMD ae4dma controller driver")
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20250203162511.911946-2-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2025-03-11 02:33:27 +05:30 |
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Basavaraj Natikar
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a2d09455b2
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dmaengine: ae4dma: Register debugfs using ptdma_debugfs_setup
Use the ptdma_debugfs_setup function to register debugfs for AE4DMA DMA
engine.
Reviewed-by: Raju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20241025095931.726018-7-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2024-12-02 22:55:28 +05:30 |
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Basavaraj Natikar
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98f5a44326
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dmaengine: ae4dma: Register AE4DMA using pt_dmaengine_register
Use the pt_dmaengine_register function to register a AE4DMA DMA engine.
Reviewed-by: Raju Rangoju <Raju.Rangoju@amd.com>
Reviewed-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20241025095931.726018-5-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2024-12-02 22:55:28 +05:30 |
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Basavaraj Natikar
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69a47b16a5
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dmaengine: ptdma: Extend ptdma to support multi-channel and version
To support multi-channel functionality with AE4DMA engine, extend the
PTDMA code with reusable components.
Reviewed-by: Raju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20241025095931.726018-4-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2024-12-02 22:55:27 +05:30 |
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Basavaraj Natikar
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90a30e268d
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dmaengine: ae4dma: Add AMD ae4dma controller driver
Add support for AMD AE4DMA controller. It performs high-bandwidth
memory to memory and IO copy operation. Device commands are managed
via a circular queue of 'descriptors', each of which specifies source
and destination addresses for copying a single buffer of data.
Reviewed-by: Raju Rangoju <Raju.Rangoju@amd.com>
Reviewed-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20241025095931.726018-3-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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2024-12-02 22:55:27 +05:30 |
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